Home / 1,088,116.40-1,632,328.20-340,084.40

Finding the Fourth Proportional to 1,088,116.40, 1,632,328.20 and 340,084.40

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Solution

The fourth proportional to 1,088,116.40, 1,632,328.20 and 340,084.40 is: 510,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,116.40 : 1,632,328.20 = 340,084.40 : x
  2. Step 2: Convert to fraction form
    1,088,116.40/1,632,328.20 = 340,084.40/x
  3. Step 3: Cross multiply
    1,088,116.40x = 1,632,328.20 × 340,084.40
  4. Step 4: Simplify right side
    1,088,116.40x = 555,129,356,500.08
  5. Step 5: Solve for x
    x = 555,129,356,500.08/1,088,116.40
  6. Step 6: Final answer
    x = 510,174.61

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Half scale
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Double scale
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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.