Home / 1,566,391.50-2,349,589.02-429,163.56

Finding the Fourth Proportional to 1,566,391.50, 2,349,589.02 and 429,163.56

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Solution

The fourth proportional to 1,566,391.50, 2,349,589.02 and 429,163.56 is: 643,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,391.50 : 2,349,589.02 = 429,163.56 : x
  2. Step 2: Convert to fraction form
    1,566,391.50/2,349,589.02 = 429,163.56/x
  3. Step 3: Cross multiply
    1,566,391.50x = 2,349,589.02 × 429,163.56
  4. Step 4: Simplify right side
    1,566,391.50x = 1,008,357,988,360.11
  5. Step 5: Solve for x
    x = 1,008,357,988,360.11/1,566,391.50
  6. Step 6: Final answer
    x = 643,745.82

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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.