Home / 1,098,981.90-1,648,472.85-679,077.90

Finding the Fourth Proportional to 1,098,981.90, 1,648,472.85 and 679,077.90

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Solution

The fourth proportional to 1,098,981.90, 1,648,472.85 and 679,077.90 is: 1,018,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,981.90 : 1,648,472.85 = 679,077.90 : x
  2. Step 2: Convert to fraction form
    1,098,981.90/1,648,472.85 = 679,077.90/x
  3. Step 3: Cross multiply
    1,098,981.90x = 1,648,472.85 × 679,077.90
  4. Step 4: Simplify right side
    1,098,981.90x = 1,119,441,481,185.02
  5. Step 5: Solve for x
    x = 1,119,441,481,185.02/1,098,981.90
  6. Step 6: Final answer
    x = 1,018,616.85

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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.