Home / 1,312,467.35-1,969,406.85-1,264,695.61

Finding the Fourth Proportional to 1,312,467.35, 1,969,406.85 and 1,264,695.61

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Solution

The fourth proportional to 1,312,467.35, 1,969,406.85 and 1,264,695.61 is: 1,897,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,467.35 : 1,969,406.85 = 1,264,695.61 : x
  2. Step 2: Convert to fraction form
    1,312,467.35/1,969,406.85 = 1,264,695.61/x
  3. Step 3: Cross multiply
    1,312,467.35x = 1,969,406.85 × 1,264,695.61
  4. Step 4: Simplify right side
    1,312,467.35x = 2,490,700,207,540.58
  5. Step 5: Solve for x
    x = 2,490,700,207,540.58/1,312,467.35
  6. Step 6: Final answer
    x = 1,897,723.56

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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.