Home / 1,109,712.38-1,531,446.54-626,294.42

Finding the Fourth Proportional to 1,109,712.38, 1,531,446.54 and 626,294.42

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Solution

The fourth proportional to 1,109,712.38, 1,531,446.54 and 626,294.42 is: 864,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,712.38 : 1,531,446.54 = 626,294.42 : x
  2. Step 2: Convert to fraction form
    1,109,712.38/1,531,446.54 = 626,294.42/x
  3. Step 3: Cross multiply
    1,109,712.38x = 1,531,446.54 × 626,294.42
  4. Step 4: Simplify right side
    1,109,712.38x = 959,136,422,530.31
  5. Step 5: Solve for x
    x = 959,136,422,530.31/1,109,712.38
  6. Step 6: Final answer
    x = 864,310.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.