Home / 1,005,909.60-1,509,131.70-437,046.60

Finding the Fourth Proportional to 1,005,909.60, 1,509,131.70 and 437,046.60

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Solution

The fourth proportional to 1,005,909.60, 1,509,131.70 and 437,046.60 is: 655,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,909.60 : 1,509,131.70 = 437,046.60 : x
  2. Step 2: Convert to fraction form
    1,005,909.60/1,509,131.70 = 437,046.60/x
  3. Step 3: Cross multiply
    1,005,909.60x = 1,509,131.70 × 437,046.60
  4. Step 4: Simplify right side
    1,005,909.60x = 659,560,878,437.22
  5. Step 5: Solve for x
    x = 659,560,878,437.22/1,005,909.60
  6. Step 6: Final answer
    x = 655,686.04

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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.