Home / 1,306,381.80-1,960,214.67-587,231.61

Finding the Fourth Proportional to 1,306,381.80, 1,960,214.67 and 587,231.61

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Solution

The fourth proportional to 1,306,381.80, 1,960,214.67 and 587,231.61 is: 881,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,381.80 : 1,960,214.67 = 587,231.61 : x
  2. Step 2: Convert to fraction form
    1,306,381.80/1,960,214.67 = 587,231.61/x
  3. Step 3: Cross multiply
    1,306,381.80x = 1,960,214.67 × 587,231.61
  4. Step 4: Simplify right side
    1,306,381.80x = 1,151,100,024,693.26
  5. Step 5: Solve for x
    x = 1,151,100,024,693.26/1,306,381.80
  6. Step 6: Final answer
    x = 881,135.99

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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.