Home / 1,272,572.43-1,908,759.41-739,753.62

Finding the Fourth Proportional to 1,272,572.43, 1,908,759.41 and 739,753.62

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Solution

The fourth proportional to 1,272,572.43, 1,908,759.41 and 739,753.62 is: 1,109,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,572.43 : 1,908,759.41 = 739,753.62 : x
  2. Step 2: Convert to fraction form
    1,272,572.43/1,908,759.41 = 739,753.62/x
  3. Step 3: Cross multiply
    1,272,572.43x = 1,908,759.41 × 739,753.62
  4. Step 4: Simplify right side
    1,272,572.43x = 1,412,011,683,256.56
  5. Step 5: Solve for x
    x = 1,412,011,683,256.56/1,272,572.43
  6. Step 6: Final answer
    x = 1,109,572.74

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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.