Home / 876,620.30-1,314,930.45-719,026.70

Finding the Fourth Proportional to 876,620.30, 1,314,930.45 and 719,026.70

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Solution

The fourth proportional to 876,620.30, 1,314,930.45 and 719,026.70 is: 1,078,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,620.30 : 1,314,930.45 = 719,026.70 : x
  2. Step 2: Convert to fraction form
    876,620.30/1,314,930.45 = 719,026.70/x
  3. Step 3: Cross multiply
    876,620.30x = 1,314,930.45 × 719,026.70
  4. Step 4: Simplify right side
    876,620.30x = 945,470,102,193.02
  5. Step 5: Solve for x
    x = 945,470,102,193.02/876,620.30
  6. Step 6: Final answer
    x = 1,078,540.05

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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.