Home / 1,447,132.42-2,171,999.66-773,789.28

Finding the Fourth Proportional to 1,447,132.42, 2,171,999.66 and 773,789.28

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Solution

The fourth proportional to 1,447,132.42, 2,171,999.66 and 773,789.28 is: 1,161,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,132.42 : 2,171,999.66 = 773,789.28 : x
  2. Step 2: Convert to fraction form
    1,447,132.42/2,171,999.66 = 773,789.28/x
  3. Step 3: Cross multiply
    1,447,132.42x = 2,171,999.66 × 773,789.28
  4. Step 4: Simplify right side
    1,447,132.42x = 1,680,670,053,071.65
  5. Step 5: Solve for x
    x = 1,680,670,053,071.65/1,447,132.42
  6. Step 6: Final answer
    x = 1,161,379.59

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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.