Home / 1,323,265.20-1,985,934.60-613,381.20

Finding the Fourth Proportional to 1,323,265.20, 1,985,934.60 and 613,381.20

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Solution

The fourth proportional to 1,323,265.20, 1,985,934.60 and 613,381.20 is: 920,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,265.20 : 1,985,934.60 = 613,381.20 : x
  2. Step 2: Convert to fraction form
    1,323,265.20/1,985,934.60 = 613,381.20/x
  3. Step 3: Cross multiply
    1,323,265.20x = 1,985,934.60 × 613,381.20
  4. Step 4: Simplify right side
    1,323,265.20x = 1,218,134,948,069.52
  5. Step 5: Solve for x
    x = 1,218,134,948,069.52/1,323,265.20
  6. Step 6: Final answer
    x = 920,552.39

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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.