Home / 1,152,449.20-1,728,673.80-487,514.80

Finding the Fourth Proportional to 1,152,449.20, 1,728,673.80 and 487,514.80

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Solution

The fourth proportional to 1,152,449.20, 1,728,673.80 and 487,514.80 is: 731,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,449.20 : 1,728,673.80 = 487,514.80 : x
  2. Step 2: Convert to fraction form
    1,152,449.20/1,728,673.80 = 487,514.80/x
  3. Step 3: Cross multiply
    1,152,449.20x = 1,728,673.80 × 487,514.80
  4. Step 4: Simplify right side
    1,152,449.20x = 842,754,061,872.24
  5. Step 5: Solve for x
    x = 842,754,061,872.24/1,152,449.20
  6. Step 6: Final answer
    x = 731,272.20

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Similar ratio
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1.5x scale

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.