Home / 1,207,315.60-1,665,732.20-723,704.29

Finding the Fourth Proportional to 1,207,315.60, 1,665,732.20 and 723,704.29

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Solution

The fourth proportional to 1,207,315.60, 1,665,732.20 and 723,704.29 is: 998,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,315.60 : 1,665,732.20 = 723,704.29 : x
  2. Step 2: Convert to fraction form
    1,207,315.60/1,665,732.20 = 723,704.29/x
  3. Step 3: Cross multiply
    1,207,315.60x = 1,665,732.20 × 723,704.29
  4. Step 4: Simplify right side
    1,207,315.60x = 1,205,497,539,131.14
  5. Step 5: Solve for x
    x = 1,205,497,539,131.14/1,207,315.60
  6. Step 6: Final answer
    x = 998,494.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.