Home / 1,418,217.80-2,127,521.10-471,489.80

Finding the Fourth Proportional to 1,418,217.80, 2,127,521.10 and 471,489.80

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Solution

The fourth proportional to 1,418,217.80, 2,127,521.10 and 471,489.80 is: 707,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,217.80 : 2,127,521.10 = 471,489.80 : x
  2. Step 2: Convert to fraction form
    1,418,217.80/2,127,521.10 = 471,489.80/x
  3. Step 3: Cross multiply
    1,418,217.80x = 2,127,521.10 × 471,489.80
  4. Step 4: Simplify right side
    1,418,217.80x = 1,003,104,497,934.78
  5. Step 5: Solve for x
    x = 1,003,104,497,934.78/1,418,217.80
  6. Step 6: Final answer
    x = 707,299.33

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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.