Home / 1,118,449.02-1,543,659.80-659,535.78

Finding the Fourth Proportional to 1,118,449.02, 1,543,659.80 and 659,535.78

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Solution

The fourth proportional to 1,118,449.02, 1,543,659.80 and 659,535.78 is: 910,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,449.02 : 1,543,659.80 = 659,535.78 : x
  2. Step 2: Convert to fraction form
    1,118,449.02/1,543,659.80 = 659,535.78/x
  3. Step 3: Cross multiply
    1,118,449.02x = 1,543,659.80 × 659,535.78
  4. Step 4: Simplify right side
    1,118,449.02x = 1,018,098,866,949.97
  5. Step 5: Solve for x
    x = 1,018,098,866,949.97/1,118,449.02
  6. Step 6: Final answer
    x = 910,277.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.