Home / 1,189,132.74-1,640,316.90-758,927.98

Finding the Fourth Proportional to 1,189,132.74, 1,640,316.90 and 758,927.98

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Solution

The fourth proportional to 1,189,132.74, 1,640,316.90 and 758,927.98 is: 1,046,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,132.74 : 1,640,316.90 = 758,927.98 : x
  2. Step 2: Convert to fraction form
    1,189,132.74/1,640,316.90 = 758,927.98/x
  3. Step 3: Cross multiply
    1,189,132.74x = 1,640,316.90 × 758,927.98
  4. Step 4: Simplify right side
    1,189,132.74x = 1,244,882,391,476.86
  5. Step 5: Solve for x
    x = 1,244,882,391,476.86/1,189,132.74
  6. Step 6: Final answer
    x = 1,046,882.61

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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.