Home / 1,123,650.13-1,550,257.36-639,872.23

Finding the Fourth Proportional to 1,123,650.13, 1,550,257.36 and 639,872.23

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Solution

The fourth proportional to 1,123,650.13, 1,550,257.36 and 639,872.23 is: 882,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,650.13 : 1,550,257.36 = 639,872.23 : x
  2. Step 2: Convert to fraction form
    1,123,650.13/1,550,257.36 = 639,872.23/x
  3. Step 3: Cross multiply
    1,123,650.13x = 1,550,257.36 × 639,872.23
  4. Step 4: Simplify right side
    1,123,650.13x = 991,966,634,017.11
  5. Step 5: Solve for x
    x = 991,966,634,017.11/1,123,650.13
  6. Step 6: Final answer
    x = 882,807.39

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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.