Home / 1,125,109.71-1,687,839.93-376,980.75

Finding the Fourth Proportional to 1,125,109.71, 1,687,839.93 and 376,980.75

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Solution

The fourth proportional to 1,125,109.71, 1,687,839.93 and 376,980.75 is: 565,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,109.71 : 1,687,839.93 = 376,980.75 : x
  2. Step 2: Convert to fraction form
    1,125,109.71/1,687,839.93 = 376,980.75/x
  3. Step 3: Cross multiply
    1,125,109.71x = 1,687,839.93 × 376,980.75
  4. Step 4: Simplify right side
    1,125,109.71x = 636,283,162,691.35
  5. Step 5: Solve for x
    x = 636,283,162,691.35/1,125,109.71
  6. Step 6: Final answer
    x = 565,529.88

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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.