Home / 1,044,080.10-1,566,120.15-643,421.70

Finding the Fourth Proportional to 1,044,080.10, 1,566,120.15 and 643,421.70

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Solution

The fourth proportional to 1,044,080.10, 1,566,120.15 and 643,421.70 is: 965,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,080.10 : 1,566,120.15 = 643,421.70 : x
  2. Step 2: Convert to fraction form
    1,044,080.10/1,566,120.15 = 643,421.70/x
  3. Step 3: Cross multiply
    1,044,080.10x = 1,566,120.15 × 643,421.70
  4. Step 4: Simplify right side
    1,044,080.10x = 1,007,675,689,317.25
  5. Step 5: Solve for x
    x = 1,007,675,689,317.25/1,044,080.10
  6. Step 6: Final answer
    x = 965,132.55

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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.