Home / 1,029,023.56-1,544,061.88-489,889.20

Finding the Fourth Proportional to 1,029,023.56, 1,544,061.88 and 489,889.20

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Solution

The fourth proportional to 1,029,023.56, 1,544,061.88 and 489,889.20 is: 735,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,023.56 : 1,544,061.88 = 489,889.20 : x
  2. Step 2: Convert to fraction form
    1,029,023.56/1,544,061.88 = 489,889.20/x
  3. Step 3: Cross multiply
    1,029,023.56x = 1,544,061.88 × 489,889.20
  4. Step 4: Simplify right side
    1,029,023.56x = 756,419,239,143.70
  5. Step 5: Solve for x
    x = 756,419,239,143.70/1,029,023.56
  6. Step 6: Final answer
    x = 735,084.47

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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.