Home / 1,465,610.20-2,199,711.30-865,821.40

Finding the Fourth Proportional to 1,465,610.20, 2,199,711.30 and 865,821.40

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Solution

The fourth proportional to 1,465,610.20, 2,199,711.30 and 865,821.40 is: 1,299,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,610.20 : 2,199,711.30 = 865,821.40 : x
  2. Step 2: Convert to fraction form
    1,465,610.20/2,199,711.30 = 865,821.40/x
  3. Step 3: Cross multiply
    1,465,610.20x = 2,199,711.30 × 865,821.40
  4. Step 4: Simplify right side
    1,465,610.20x = 1,904,557,117,361.82
  5. Step 5: Solve for x
    x = 1,904,557,117,361.82/1,465,610.20
  6. Step 6: Final answer
    x = 1,299,497.72

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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.