Home / 1,471,118.31-2,206,674.23-391,631.11

Finding the Fourth Proportional to 1,471,118.31, 2,206,674.23 and 391,631.11

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Solution

The fourth proportional to 1,471,118.31, 2,206,674.23 and 391,631.11 is: 587,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,118.31 : 2,206,674.23 = 391,631.11 : x
  2. Step 2: Convert to fraction form
    1,471,118.31/2,206,674.23 = 391,631.11/x
  3. Step 3: Cross multiply
    1,471,118.31x = 2,206,674.23 × 391,631.11
  4. Step 4: Simplify right side
    1,471,118.31x = 864,202,270,628.45
  5. Step 5: Solve for x
    x = 864,202,270,628.45/1,471,118.31
  6. Step 6: Final answer
    x = 587,445.80

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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.