Home / 1,057,903.62-1,587,123.95-489,694.29

Finding the Fourth Proportional to 1,057,903.62, 1,587,123.95 and 489,694.29

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Solution

The fourth proportional to 1,057,903.62, 1,587,123.95 and 489,694.29 is: 734,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,903.62 : 1,587,123.95 = 489,694.29 : x
  2. Step 2: Convert to fraction form
    1,057,903.62/1,587,123.95 = 489,694.29/x
  3. Step 3: Cross multiply
    1,057,903.62x = 1,587,123.95 × 489,694.29
  4. Step 4: Simplify right side
    1,057,903.62x = 777,205,533,388.77
  5. Step 5: Solve for x
    x = 777,205,533,388.77/1,057,903.62
  6. Step 6: Final answer
    x = 734,665.73

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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.