Home / 1,270,572.30-1,906,602.03-472,404.78

Finding the Fourth Proportional to 1,270,572.30, 1,906,602.03 and 472,404.78

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Solution

The fourth proportional to 1,270,572.30, 1,906,602.03 and 472,404.78 is: 708,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,572.30 : 1,906,602.03 = 472,404.78 : x
  2. Step 2: Convert to fraction form
    1,270,572.30/1,906,602.03 = 472,404.78/x
  3. Step 3: Cross multiply
    1,270,572.30x = 1,906,602.03 × 472,404.78
  4. Step 4: Simplify right side
    1,270,572.30x = 900,687,912,529.70
  5. Step 5: Solve for x
    x = 900,687,912,529.70/1,270,572.30
  6. Step 6: Final answer
    x = 708,883.64

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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.