Home / 1,309,985.28-1,807,761.15-737,024.07

Finding the Fourth Proportional to 1,309,985.28, 1,807,761.15 and 737,024.07

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Solution

The fourth proportional to 1,309,985.28, 1,807,761.15 and 737,024.07 is: 1,017,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,985.28 : 1,807,761.15 = 737,024.07 : x
  2. Step 2: Convert to fraction form
    1,309,985.28/1,807,761.15 = 737,024.07/x
  3. Step 3: Cross multiply
    1,309,985.28x = 1,807,761.15 × 737,024.07
  4. Step 4: Simplify right side
    1,309,985.28x = 1,332,363,480,360.88
  5. Step 5: Solve for x
    x = 1,332,363,480,360.88/1,309,985.28
  6. Step 6: Final answer
    x = 1,017,082.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.