Home / 1,041,238.72-1,562,006.22-321,641.56

Finding the Fourth Proportional to 1,041,238.72, 1,562,006.22 and 321,641.56

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Solution

The fourth proportional to 1,041,238.72, 1,562,006.22 and 321,641.56 is: 482,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,238.72 : 1,562,006.22 = 321,641.56 : x
  2. Step 2: Convert to fraction form
    1,041,238.72/1,562,006.22 = 321,641.56/x
  3. Step 3: Cross multiply
    1,041,238.72x = 1,562,006.22 × 321,641.56
  4. Step 4: Simplify right side
    1,041,238.72x = 502,406,117,330.50
  5. Step 5: Solve for x
    x = 502,406,117,330.50/1,041,238.72
  6. Step 6: Final answer
    x = 482,508.10

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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.