Home / 1,109,709.38-1,531,442.41-626,291.42

Finding the Fourth Proportional to 1,109,709.38, 1,531,442.41 and 626,291.42

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Solution

The fourth proportional to 1,109,709.38, 1,531,442.41 and 626,291.42 is: 864,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,709.38 : 1,531,442.41 = 626,291.42 : x
  2. Step 2: Convert to fraction form
    1,109,709.38/1,531,442.41 = 626,291.42/x
  3. Step 3: Cross multiply
    1,109,709.38x = 1,531,442.41 × 626,291.42
  4. Step 4: Simplify right side
    1,109,709.38x = 959,129,232,384.18
  5. Step 5: Solve for x
    x = 959,129,232,384.18/1,109,709.38
  6. Step 6: Final answer
    x = 864,306.68

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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.