Home / 1,331,614.12-1,997,610.72-432,766.84

Finding the Fourth Proportional to 1,331,614.12, 1,997,610.72 and 432,766.84

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Solution

The fourth proportional to 1,331,614.12, 1,997,610.72 and 432,766.84 is: 649,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,614.12 : 1,997,610.72 = 432,766.84 : x
  2. Step 2: Convert to fraction form
    1,331,614.12/1,997,610.72 = 432,766.84/x
  3. Step 3: Cross multiply
    1,331,614.12x = 1,997,610.72 × 432,766.84
  4. Step 4: Simplify right side
    1,331,614.12x = 864,499,678,844.53
  5. Step 5: Solve for x
    x = 864,499,678,844.53/1,331,614.12
  6. Step 6: Final answer
    x = 649,211.86

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1.5x scale

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.