Home / 1,020,691.76-1,531,258.90-310,701.24

Finding the Fourth Proportional to 1,020,691.76, 1,531,258.90 and 310,701.24

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Solution

The fourth proportional to 1,020,691.76, 1,531,258.90 and 310,701.24 is: 466,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,691.76 : 1,531,258.90 = 310,701.24 : x
  2. Step 2: Convert to fraction form
    1,020,691.76/1,531,258.90 = 310,701.24/x
  3. Step 3: Cross multiply
    1,020,691.76x = 1,531,258.90 × 310,701.24
  4. Step 4: Simplify right side
    1,020,691.76x = 475,764,038,991.04
  5. Step 5: Solve for x
    x = 475,764,038,991.04/1,020,691.76
  6. Step 6: Final answer
    x = 466,119.21

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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.