Home / 1,109,711.38-1,531,445.16-626,293.42

Finding the Fourth Proportional to 1,109,711.38, 1,531,445.16 and 626,293.42

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Solution

The fourth proportional to 1,109,711.38, 1,531,445.16 and 626,293.42 is: 864,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,711.38 : 1,531,445.16 = 626,293.42 : x
  2. Step 2: Convert to fraction form
    1,109,711.38/1,531,445.16 = 626,293.42/x
  3. Step 3: Cross multiply
    1,109,711.38x = 1,531,445.16 × 626,293.42
  4. Step 4: Simplify right side
    1,109,711.38x = 959,134,026,798.85
  5. Step 5: Solve for x
    x = 959,134,026,798.85/1,109,711.38
  6. Step 6: Final answer
    x = 864,309.44

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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.