Home / 1,228,032.28-1,841,406.90-386,358.04

Finding the Fourth Proportional to 1,228,032.28, 1,841,406.90 and 386,358.04

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Solution

The fourth proportional to 1,228,032.28, 1,841,406.90 and 386,358.04 is: 579,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,032.28 : 1,841,406.90 = 386,358.04 : x
  2. Step 2: Convert to fraction form
    1,228,032.28/1,841,406.90 = 386,358.04/x
  3. Step 3: Cross multiply
    1,228,032.28x = 1,841,406.90 × 386,358.04
  4. Step 4: Simplify right side
    1,228,032.28x = 711,442,360,726.48
  5. Step 5: Solve for x
    x = 711,442,360,726.48/1,228,032.28
  6. Step 6: Final answer
    x = 579,335.23

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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.