Home / 858,778.20-1,288,167.30-703,258.20

Finding the Fourth Proportional to 858,778.20, 1,288,167.30 and 703,258.20

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Solution

The fourth proportional to 858,778.20, 1,288,167.30 and 703,258.20 is: 1,054,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,778.20 : 1,288,167.30 = 703,258.20 : x
  2. Step 2: Convert to fraction form
    858,778.20/1,288,167.30 = 703,258.20/x
  3. Step 3: Cross multiply
    858,778.20x = 1,288,167.30 × 703,258.20
  4. Step 4: Simplify right side
    858,778.20x = 905,914,216,696.86
  5. Step 5: Solve for x
    x = 905,914,216,696.86/858,778.20
  6. Step 6: Final answer
    x = 1,054,887.30

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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.