Home / 1,123,650.08-1,550,257.28-639,872.18

Finding the Fourth Proportional to 1,123,650.08, 1,550,257.28 and 639,872.18

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Solution

The fourth proportional to 1,123,650.08, 1,550,257.28 and 639,872.18 is: 882,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,650.08 : 1,550,257.28 = 639,872.18 : x
  2. Step 2: Convert to fraction form
    1,123,650.08/1,550,257.28 = 639,872.18/x
  3. Step 3: Cross multiply
    1,123,650.08x = 1,550,257.28 × 639,872.18
  4. Step 4: Simplify right side
    1,123,650.08x = 991,966,494,363.82
  5. Step 5: Solve for x
    x = 991,966,494,363.82/1,123,650.08
  6. Step 6: Final answer
    x = 882,807.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.