Home / 876,350.40-1,314,525.60-858,635.70

Finding the Fourth Proportional to 876,350.40, 1,314,525.60 and 858,635.70

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Solution

The fourth proportional to 876,350.40, 1,314,525.60 and 858,635.70 is: 1,287,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,350.40 : 1,314,525.60 = 858,635.70 : x
  2. Step 2: Convert to fraction form
    876,350.40/1,314,525.60 = 858,635.70/x
  3. Step 3: Cross multiply
    876,350.40x = 1,314,525.60 × 858,635.70
  4. Step 4: Simplify right side
    876,350.40x = 1,128,698,608,723.92
  5. Step 5: Solve for x
    x = 1,128,698,608,723.92/876,350.40
  6. Step 6: Final answer
    x = 1,287,953.55

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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.