Home / 1,279,469.76-1,917,104.04-437,562.24

Finding the Fourth Proportional to 1,279,469.76, 1,917,104.04 and 437,562.24

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Solution

The fourth proportional to 1,279,469.76, 1,917,104.04 and 437,562.24 is: 655,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,469.76 : 1,917,104.04 = 437,562.24 : x
  2. Step 2: Convert to fraction form
    1,279,469.76/1,917,104.04 = 437,562.24/x
  3. Step 3: Cross multiply
    1,279,469.76x = 1,917,104.04 × 437,562.24
  4. Step 4: Simplify right side
    1,279,469.76x = 838,852,338,055.45
  5. Step 5: Solve for x
    x = 838,852,338,055.45/1,279,469.76
  6. Step 6: Final answer
    x = 655,624.98

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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.