Home / 749,274.60-1,123,911.90-681,040.20

Finding the Fourth Proportional to 749,274.60, 1,123,911.90 and 681,040.20

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Solution

The fourth proportional to 749,274.60, 1,123,911.90 and 681,040.20 is: 1,021,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,274.60 : 1,123,911.90 = 681,040.20 : x
  2. Step 2: Convert to fraction form
    749,274.60/1,123,911.90 = 681,040.20/x
  3. Step 3: Cross multiply
    749,274.60x = 1,123,911.90 × 681,040.20
  4. Step 4: Simplify right side
    749,274.60x = 765,429,185,158.38
  5. Step 5: Solve for x
    x = 765,429,185,158.38/749,274.60
  6. Step 6: Final answer
    x = 1,021,560.30

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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.