Home / 1,074,553.60-1,609,987.20-512,377.60

Finding the Fourth Proportional to 1,074,553.60, 1,609,987.20 and 512,377.60

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Solution

The fourth proportional to 1,074,553.60, 1,609,987.20 and 512,377.60 is: 767,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,553.60 : 1,609,987.20 = 512,377.60 : x
  2. Step 2: Convert to fraction form
    1,074,553.60/1,609,987.20 = 512,377.60/x
  3. Step 3: Cross multiply
    1,074,553.60x = 1,609,987.20 × 512,377.60
  4. Step 4: Simplify right side
    1,074,553.60x = 824,921,377,566.72
  5. Step 5: Solve for x
    x = 824,921,377,566.72/1,074,553.60
  6. Step 6: Final answer
    x = 767,687.51

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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.