Home / 1,391,617.12-2,087,687.76-444,733.60

Finding the Fourth Proportional to 1,391,617.12, 2,087,687.76 and 444,733.60

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Solution

The fourth proportional to 1,391,617.12, 2,087,687.76 and 444,733.60 is: 667,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,617.12 : 2,087,687.76 = 444,733.60 : x
  2. Step 2: Convert to fraction form
    1,391,617.12/2,087,687.76 = 444,733.60/x
  3. Step 3: Cross multiply
    1,391,617.12x = 2,087,687.76 × 444,733.60
  4. Step 4: Simplify right side
    1,391,617.12x = 928,464,893,180.74
  5. Step 5: Solve for x
    x = 928,464,893,180.74/1,391,617.12
  6. Step 6: Final answer
    x = 667,184.16

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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.