Home / 1,243,321.61-1,715,685.72-699,349.10

Finding the Fourth Proportional to 1,243,321.61, 1,715,685.72 and 699,349.10

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Solution

The fourth proportional to 1,243,321.61, 1,715,685.72 and 699,349.10 is: 965,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,321.61 : 1,715,685.72 = 699,349.10 : x
  2. Step 2: Convert to fraction form
    1,243,321.61/1,715,685.72 = 699,349.10/x
  3. Step 3: Cross multiply
    1,243,321.61x = 1,715,685.72 × 699,349.10
  4. Step 4: Simplify right side
    1,243,321.61x = 1,199,863,264,164.85
  5. Step 5: Solve for x
    x = 1,199,863,264,164.85/1,243,321.61
  6. Step 6: Final answer
    x = 965,046.58

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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.