Home / 1,206,406.39-1,665,487.17-930,160.90

Finding the Fourth Proportional to 1,206,406.39, 1,665,487.17 and 930,160.90

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Solution

The fourth proportional to 1,206,406.39, 1,665,487.17 and 930,160.90 is: 1,284,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,406.39 : 1,665,487.17 = 930,160.90 : x
  2. Step 2: Convert to fraction form
    1,206,406.39/1,665,487.17 = 930,160.90/x
  3. Step 3: Cross multiply
    1,206,406.39x = 1,665,487.17 × 930,160.90
  4. Step 4: Simplify right side
    1,206,406.39x = 1,549,171,044,985.65
  5. Step 5: Solve for x
    x = 1,549,171,044,985.65/1,206,406.39
  6. Step 6: Final answer
    x = 1,284,120.39

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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.