Home / 1,088,085.70-1,632,128.55-498,261.70

Finding the Fourth Proportional to 1,088,085.70, 1,632,128.55 and 498,261.70

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Solution

The fourth proportional to 1,088,085.70, 1,632,128.55 and 498,261.70 is: 747,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,085.70 : 1,632,128.55 = 498,261.70 : x
  2. Step 2: Convert to fraction form
    1,088,085.70/1,632,128.55 = 498,261.70/x
  3. Step 3: Cross multiply
    1,088,085.70x = 1,632,128.55 × 498,261.70
  4. Step 4: Simplify right side
    1,088,085.70x = 813,227,145,941.54
  5. Step 5: Solve for x
    x = 813,227,145,941.54/1,088,085.70
  6. Step 6: Final answer
    x = 747,392.55

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Half scale
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Double scale
Find fourth proportional to 1,088,086.70, 1,632,130.05 and 498,262.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.