Home / 840,460.11-1,259,734.56-739,059.45

Finding the Fourth Proportional to 840,460.11, 1,259,734.56 and 739,059.45

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Solution

The fourth proportional to 840,460.11, 1,259,734.56 and 739,059.45 is: 1,107,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,460.11 : 1,259,734.56 = 739,059.45 : x
  2. Step 2: Convert to fraction form
    840,460.11/1,259,734.56 = 739,059.45/x
  3. Step 3: Cross multiply
    840,460.11x = 1,259,734.56 × 739,059.45
  4. Step 4: Simplify right side
    840,460.11x = 931,018,727,311.85
  5. Step 5: Solve for x
    x = 931,018,727,311.85/840,460.11
  6. Step 6: Final answer
    x = 1,107,748.86

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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.