Home / 1,023,625.20-1,536,701.40-644,545.20

Finding the Fourth Proportional to 1,023,625.20, 1,536,701.40 and 644,545.20

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Solution

The fourth proportional to 1,023,625.20, 1,536,701.40 and 644,545.20 is: 967,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,625.20 : 1,536,701.40 = 644,545.20 : x
  2. Step 2: Convert to fraction form
    1,023,625.20/1,536,701.40 = 644,545.20/x
  3. Step 3: Cross multiply
    1,023,625.20x = 1,536,701.40 × 644,545.20
  4. Step 4: Simplify right side
    1,023,625.20x = 990,473,511,203.28
  5. Step 5: Solve for x
    x = 990,473,511,203.28/1,023,625.20
  6. Step 6: Final answer
    x = 967,613.45

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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.