Home / 1,078,131.30-1,616,723.28-403,739.61

Finding the Fourth Proportional to 1,078,131.30, 1,616,723.28 and 403,739.61

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Solution

The fourth proportional to 1,078,131.30, 1,616,723.28 and 403,739.61 is: 605,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,131.30 : 1,616,723.28 = 403,739.61 : x
  2. Step 2: Convert to fraction form
    1,078,131.30/1,616,723.28 = 403,739.61/x
  3. Step 3: Cross multiply
    1,078,131.30x = 1,616,723.28 × 403,739.61
  4. Step 4: Simplify right side
    1,078,131.30x = 652,735,226,545.12
  5. Step 5: Solve for x
    x = 652,735,226,545.12/1,078,131.30
  6. Step 6: Final answer
    x = 605,432.03

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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.