Home / 1,098,117.65-1,646,684.40-423,974.90

Finding the Fourth Proportional to 1,098,117.65, 1,646,684.40 and 423,974.90

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Solution

The fourth proportional to 1,098,117.65, 1,646,684.40 and 423,974.90 is: 635,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,117.65 : 1,646,684.40 = 423,974.90 : x
  2. Step 2: Convert to fraction form
    1,098,117.65/1,646,684.40 = 423,974.90/x
  3. Step 3: Cross multiply
    1,098,117.65x = 1,646,684.40 × 423,974.90
  4. Step 4: Simplify right side
    1,098,117.65x = 698,152,853,821.56
  5. Step 5: Solve for x
    x = 698,152,853,821.56/1,098,117.65
  6. Step 6: Final answer
    x = 635,772.36

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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.