Home / 719,174.48-1,072,867.20-699,626.80

Finding the Fourth Proportional to 719,174.48, 1,072,867.20 and 699,626.80

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Solution

The fourth proportional to 719,174.48, 1,072,867.20 and 699,626.80 is: 1,043,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,174.48 : 1,072,867.20 = 699,626.80 : x
  2. Step 2: Convert to fraction form
    719,174.48/1,072,867.20 = 699,626.80/x
  3. Step 3: Cross multiply
    719,174.48x = 1,072,867.20 × 699,626.80
  4. Step 4: Simplify right side
    719,174.48x = 750,606,645,960.96
  5. Step 5: Solve for x
    x = 750,606,645,960.96/719,174.48
  6. Step 6: Final answer
    x = 1,043,705.90

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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.