Home / 1,019,407.38-1,528,101.03-478,695.73

Finding the Fourth Proportional to 1,019,407.38, 1,528,101.03 and 478,695.73

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Solution

The fourth proportional to 1,019,407.38, 1,528,101.03 and 478,695.73 is: 717,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,407.38 : 1,528,101.03 = 478,695.73 : x
  2. Step 2: Convert to fraction form
    1,019,407.38/1,528,101.03 = 478,695.73/x
  3. Step 3: Cross multiply
    1,019,407.38x = 1,528,101.03 × 478,695.73
  4. Step 4: Simplify right side
    1,019,407.38x = 731,495,430,429.10
  5. Step 5: Solve for x
    x = 731,495,430,429.10/1,019,407.38
  6. Step 6: Final answer
    x = 717,569.29

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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.