Home / 1,044,008.80-1,566,013.20-643,350.40

Finding the Fourth Proportional to 1,044,008.80, 1,566,013.20 and 643,350.40

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Solution

The fourth proportional to 1,044,008.80, 1,566,013.20 and 643,350.40 is: 965,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,008.80 : 1,566,013.20 = 643,350.40 : x
  2. Step 2: Convert to fraction form
    1,044,008.80/1,566,013.20 = 643,350.40/x
  3. Step 3: Cross multiply
    1,044,008.80x = 1,566,013.20 × 643,350.40
  4. Step 4: Simplify right side
    1,044,008.80x = 1,007,495,218,625.28
  5. Step 5: Solve for x
    x = 1,007,495,218,625.28/1,044,008.80
  6. Step 6: Final answer
    x = 965,025.60

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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.