Home / 1,680,689.12-2,521,032.40-498,737.12

Finding the Fourth Proportional to 1,680,689.12, 2,521,032.40 and 498,737.12

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Solution

The fourth proportional to 1,680,689.12, 2,521,032.40 and 498,737.12 is: 748,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,689.12 : 2,521,032.40 = 498,737.12 : x
  2. Step 2: Convert to fraction form
    1,680,689.12/2,521,032.40 = 498,737.12/x
  3. Step 3: Cross multiply
    1,680,689.12x = 2,521,032.40 × 498,737.12
  4. Step 4: Simplify right side
    1,680,689.12x = 1,257,332,438,602.69
  5. Step 5: Solve for x
    x = 1,257,332,438,602.69/1,680,689.12
  6. Step 6: Final answer
    x = 748,105.30

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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.