Home / 719,167.46-1,072,856.76-699,619.78

Finding the Fourth Proportional to 719,167.46, 1,072,856.76 and 699,619.78

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Solution

The fourth proportional to 719,167.46, 1,072,856.76 and 699,619.78 is: 1,043,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,167.46 : 1,072,856.76 = 699,619.78 : x
  2. Step 2: Convert to fraction form
    719,167.46/1,072,856.76 = 699,619.78/x
  3. Step 3: Cross multiply
    719,167.46x = 1,072,856.76 × 699,619.78
  4. Step 4: Simplify right side
    719,167.46x = 750,591,810,402.71
  5. Step 5: Solve for x
    x = 750,591,810,402.71/719,167.46
  6. Step 6: Final answer
    x = 1,043,695.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.