Home / 1,320,318.56-1,980,159.24-609,663.44

Finding the Fourth Proportional to 1,320,318.56, 1,980,159.24 and 609,663.44

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Solution

The fourth proportional to 1,320,318.56, 1,980,159.24 and 609,663.44 is: 914,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,318.56 : 1,980,159.24 = 609,663.44 : x
  2. Step 2: Convert to fraction form
    1,320,318.56/1,980,159.24 = 609,663.44/x
  3. Step 3: Cross multiply
    1,320,318.56x = 1,980,159.24 × 609,663.44
  4. Step 4: Simplify right side
    1,320,318.56x = 1,207,230,694,006.19
  5. Step 5: Solve for x
    x = 1,207,230,694,006.19/1,320,318.56
  6. Step 6: Final answer
    x = 914,348.04

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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.