Home / 1,087,988.22-1,500,798.41-679,380.75

Finding the Fourth Proportional to 1,087,988.22, 1,500,798.41 and 679,380.75

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Solution

The fourth proportional to 1,087,988.22, 1,500,798.41 and 679,380.75 is: 937,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,988.22 : 1,500,798.41 = 679,380.75 : x
  2. Step 2: Convert to fraction form
    1,087,988.22/1,500,798.41 = 679,380.75/x
  3. Step 3: Cross multiply
    1,087,988.22x = 1,500,798.41 × 679,380.75
  4. Step 4: Simplify right side
    1,087,988.22x = 1,019,613,548,535.38
  5. Step 5: Solve for x
    x = 1,019,613,548,535.38/1,087,988.22
  6. Step 6: Final answer
    x = 937,154.95

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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.