Home / 1,340,643.28-1,850,135.24-737,077.20

Finding the Fourth Proportional to 1,340,643.28, 1,850,135.24 and 737,077.20

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Solution

The fourth proportional to 1,340,643.28, 1,850,135.24 and 737,077.20 is: 1,017,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,643.28 : 1,850,135.24 = 737,077.20 : x
  2. Step 2: Convert to fraction form
    1,340,643.28/1,850,135.24 = 737,077.20/x
  3. Step 3: Cross multiply
    1,340,643.28x = 1,850,135.24 × 737,077.20
  4. Step 4: Simplify right side
    1,340,643.28x = 1,363,692,502,320.53
  5. Step 5: Solve for x
    x = 1,363,692,502,320.53/1,340,643.28
  6. Step 6: Final answer
    x = 1,017,192.66

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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.