Home / 1,073,175.22-1,480,658.84-643,298.50

Finding the Fourth Proportional to 1,073,175.22, 1,480,658.84 and 643,298.50

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Solution

The fourth proportional to 1,073,175.22, 1,480,658.84 and 643,298.50 is: 887,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,175.22 : 1,480,658.84 = 643,298.50 : x
  2. Step 2: Convert to fraction form
    1,073,175.22/1,480,658.84 = 643,298.50/x
  3. Step 3: Cross multiply
    1,073,175.22x = 1,480,658.84 × 643,298.50
  4. Step 4: Simplify right side
    1,073,175.22x = 952,505,610,783.74
  5. Step 5: Solve for x
    x = 952,505,610,783.74/1,073,175.22
  6. Step 6: Final answer
    x = 887,558.33

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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.