Home / 1,323,002.20-1,985,540.10-613,118.20

Finding the Fourth Proportional to 1,323,002.20, 1,985,540.10 and 613,118.20

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Solution

The fourth proportional to 1,323,002.20, 1,985,540.10 and 613,118.20 is: 920,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,002.20 : 1,985,540.10 = 613,118.20 : x
  2. Step 2: Convert to fraction form
    1,323,002.20/1,985,540.10 = 613,118.20/x
  3. Step 3: Cross multiply
    1,323,002.20x = 1,985,540.10 × 613,118.20
  4. Step 4: Simplify right side
    1,323,002.20x = 1,217,370,772,139.82
  5. Step 5: Solve for x
    x = 1,217,370,772,139.82/1,323,002.20
  6. Step 6: Final answer
    x = 920,157.78

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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.