Home / 1,538,666.21-2,123,248.17-850,329.83

Finding the Fourth Proportional to 1,538,666.21, 2,123,248.17 and 850,329.83

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Solution

The fourth proportional to 1,538,666.21, 2,123,248.17 and 850,329.83 is: 1,173,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,666.21 : 2,123,248.17 = 850,329.83 : x
  2. Step 2: Convert to fraction form
    1,538,666.21/2,123,248.17 = 850,329.83/x
  3. Step 3: Cross multiply
    1,538,666.21x = 2,123,248.17 × 850,329.83
  4. Step 4: Simplify right side
    1,538,666.21x = 1,805,461,240,576.02
  5. Step 5: Solve for x
    x = 1,805,461,240,576.02/1,538,666.21
  6. Step 6: Final answer
    x = 1,173,393.71

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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.