Home / 1,107,903.30-1,663,167.15-628,512.90

Finding the Fourth Proportional to 1,107,903.30, 1,663,167.15 and 628,512.90

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Solution

The fourth proportional to 1,107,903.30, 1,663,167.15 and 628,512.90 is: 943,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,903.30 : 1,663,167.15 = 628,512.90 : x
  2. Step 2: Convert to fraction form
    1,107,903.30/1,663,167.15 = 628,512.90/x
  3. Step 3: Cross multiply
    1,107,903.30x = 1,663,167.15 × 628,512.90
  4. Step 4: Simplify right side
    1,107,903.30x = 1,045,322,008,631.24
  5. Step 5: Solve for x
    x = 1,045,322,008,631.24/1,107,903.30
  6. Step 6: Final answer
    x = 943,513.76

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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.