Home / 1,272,593.30-1,908,790.65-739,774.46

Finding the Fourth Proportional to 1,272,593.30, 1,908,790.65 and 739,774.46

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Solution

The fourth proportional to 1,272,593.30, 1,908,790.65 and 739,774.46 is: 1,109,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,593.30 : 1,908,790.65 = 739,774.46 : x
  2. Step 2: Convert to fraction form
    1,272,593.30/1,908,790.65 = 739,774.46/x
  3. Step 3: Cross multiply
    1,272,593.30x = 1,908,790.65 × 739,774.46
  4. Step 4: Simplify right side
    1,272,593.30x = 1,412,074,572,356.80
  5. Step 5: Solve for x
    x = 1,412,074,572,356.80/1,272,593.30
  6. Step 6: Final answer
    x = 1,109,603.97

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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.