Home / 1,073,175.11-1,480,658.69-643,298.39

Finding the Fourth Proportional to 1,073,175.11, 1,480,658.69 and 643,298.39

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Solution

The fourth proportional to 1,073,175.11, 1,480,658.69 and 643,298.39 is: 887,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,175.11 : 1,480,658.69 = 643,298.39 : x
  2. Step 2: Convert to fraction form
    1,073,175.11/1,480,658.69 = 643,298.39/x
  3. Step 3: Cross multiply
    1,073,175.11x = 1,480,658.69 × 643,298.39
  4. Step 4: Simplify right side
    1,073,175.11x = 952,505,351,173.93
  5. Step 5: Solve for x
    x = 952,505,351,173.93/1,073,175.11
  6. Step 6: Final answer
    x = 887,558.18

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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.