Home / 1,152,146.74-1,728,220.28-310,698.58

Finding the Fourth Proportional to 1,152,146.74, 1,728,220.28 and 310,698.58

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Solution

The fourth proportional to 1,152,146.74, 1,728,220.28 and 310,698.58 is: 466,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,146.74 : 1,728,220.28 = 310,698.58 : x
  2. Step 2: Convert to fraction form
    1,152,146.74/1,728,220.28 = 310,698.58/x
  3. Step 3: Cross multiply
    1,152,146.74x = 1,728,220.28 × 310,698.58
  4. Step 4: Simplify right side
    1,152,146.74x = 536,955,586,923.20
  5. Step 5: Solve for x
    x = 536,955,586,923.20/1,152,146.74
  6. Step 6: Final answer
    x = 466,047.92

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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.