Home / 756,923.60-1,135,385.40-727,893.20

Finding the Fourth Proportional to 756,923.60, 1,135,385.40 and 727,893.20

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Solution

The fourth proportional to 756,923.60, 1,135,385.40 and 727,893.20 is: 1,091,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,923.60 : 1,135,385.40 = 727,893.20 : x
  2. Step 2: Convert to fraction form
    756,923.60/1,135,385.40 = 727,893.20/x
  3. Step 3: Cross multiply
    756,923.60x = 1,135,385.40 × 727,893.20
  4. Step 4: Simplify right side
    756,923.60x = 826,439,312,039.28
  5. Step 5: Solve for x
    x = 826,439,312,039.28/756,923.60
  6. Step 6: Final answer
    x = 1,091,839.80

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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.