Home / 1,488,505.60-2,233,276.80-647,660.80

Finding the Fourth Proportional to 1,488,505.60, 2,233,276.80 and 647,660.80

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Solution

The fourth proportional to 1,488,505.60, 2,233,276.80 and 647,660.80 is: 971,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,505.60 : 2,233,276.80 = 647,660.80 : x
  2. Step 2: Convert to fraction form
    1,488,505.60/2,233,276.80 = 647,660.80/x
  3. Step 3: Cross multiply
    1,488,505.60x = 2,233,276.80 × 647,660.80
  4. Step 4: Simplify right side
    1,488,505.60x = 1,446,405,838,909.44
  5. Step 5: Solve for x
    x = 1,446,405,838,909.44/1,488,505.60
  6. Step 6: Final answer
    x = 971,716.76

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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.