Home / 1,059,147.56-1,587,503.40-489,331.61

Finding the Fourth Proportional to 1,059,147.56, 1,587,503.40 and 489,331.61

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Solution

The fourth proportional to 1,059,147.56, 1,587,503.40 and 489,331.61 is: 733,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,147.56 : 1,587,503.40 = 489,331.61 : x
  2. Step 2: Convert to fraction form
    1,059,147.56/1,587,503.40 = 489,331.61/x
  3. Step 3: Cross multiply
    1,059,147.56x = 1,587,503.40 × 489,331.61
  4. Step 4: Simplify right side
    1,059,147.56x = 776,815,586,664.96
  5. Step 5: Solve for x
    x = 776,815,586,664.96/1,059,147.56
  6. Step 6: Final answer
    x = 733,434.72

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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.