Home / 1,323,405.24-1,985,304.72-613,505.04

Finding the Fourth Proportional to 1,323,405.24, 1,985,304.72 and 613,505.04

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Solution

The fourth proportional to 1,323,405.24, 1,985,304.72 and 613,505.04 is: 920,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,405.24 : 1,985,304.72 = 613,505.04 : x
  2. Step 2: Convert to fraction form
    1,323,405.24/1,985,304.72 = 613,505.04/x
  3. Step 3: Cross multiply
    1,323,405.24x = 1,985,304.72 × 613,505.04
  4. Step 4: Simplify right side
    1,323,405.24x = 1,217,994,451,655.79
  5. Step 5: Solve for x
    x = 1,217,994,451,655.79/1,323,405.24
  6. Step 6: Final answer
    x = 920,348.82

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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.