Home / 1,127,545.28-1,691,566.68-328,889.32

Finding the Fourth Proportional to 1,127,545.28, 1,691,566.68 and 328,889.32

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Solution

The fourth proportional to 1,127,545.28, 1,691,566.68 and 328,889.32 is: 493,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,545.28 : 1,691,566.68 = 328,889.32 : x
  2. Step 2: Convert to fraction form
    1,127,545.28/1,691,566.68 = 328,889.32/x
  3. Step 3: Cross multiply
    1,127,545.28x = 1,691,566.68 × 328,889.32
  4. Step 4: Simplify right side
    1,127,545.28x = 556,338,215,119.86
  5. Step 5: Solve for x
    x = 556,338,215,119.86/1,127,545.28
  6. Step 6: Final answer
    x = 493,406.54

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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.