Home / 1,207,502.20-1,811,253.30-1,087,233.40

Finding the Fourth Proportional to 1,207,502.20, 1,811,253.30 and 1,087,233.40

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Solution

The fourth proportional to 1,207,502.20, 1,811,253.30 and 1,087,233.40 is: 1,630,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,502.20 : 1,811,253.30 = 1,087,233.40 : x
  2. Step 2: Convert to fraction form
    1,207,502.20/1,811,253.30 = 1,087,233.40/x
  3. Step 3: Cross multiply
    1,207,502.20x = 1,811,253.30 × 1,087,233.40
  4. Step 4: Simplify right side
    1,207,502.20x = 1,969,255,083,620.22
  5. Step 5: Solve for x
    x = 1,969,255,083,620.22/1,207,502.20
  6. Step 6: Final answer
    x = 1,630,850.10

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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.