Home / 1,112,945.52-1,669,681.42-886,098.90

Finding the Fourth Proportional to 1,112,945.52, 1,669,681.42 and 886,098.90

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Solution

The fourth proportional to 1,112,945.52, 1,669,681.42 and 886,098.90 is: 1,329,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,945.52 : 1,669,681.42 = 886,098.90 : x
  2. Step 2: Convert to fraction form
    1,112,945.52/1,669,681.42 = 886,098.90/x
  3. Step 3: Cross multiply
    1,112,945.52x = 1,669,681.42 × 886,098.90
  4. Step 4: Simplify right side
    1,112,945.52x = 1,479,502,869,612.44
  5. Step 5: Solve for x
    x = 1,479,502,869,612.44/1,112,945.52
  6. Step 6: Final answer
    x = 1,329,357.86

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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.