Home / 932,735.80-1,399,103.70-858,086.20

Finding the Fourth Proportional to 932,735.80, 1,399,103.70 and 858,086.20

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Solution

The fourth proportional to 932,735.80, 1,399,103.70 and 858,086.20 is: 1,287,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,735.80 : 1,399,103.70 = 858,086.20 : x
  2. Step 2: Convert to fraction form
    932,735.80/1,399,103.70 = 858,086.20/x
  3. Step 3: Cross multiply
    932,735.80x = 1,399,103.70 × 858,086.20
  4. Step 4: Simplify right side
    932,735.80x = 1,200,551,577,338.94
  5. Step 5: Solve for x
    x = 1,200,551,577,338.94/932,735.80
  6. Step 6: Final answer
    x = 1,287,129.30

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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.