Home / 1,093,142.60-1,643,213.10-779,769.80

Finding the Fourth Proportional to 1,093,142.60, 1,643,213.10 and 779,769.80

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Solution

The fourth proportional to 1,093,142.60, 1,643,213.10 and 779,769.80 is: 1,172,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,142.60 : 1,643,213.10 = 779,769.80 : x
  2. Step 2: Convert to fraction form
    1,093,142.60/1,643,213.10 = 779,769.80/x
  3. Step 3: Cross multiply
    1,093,142.60x = 1,643,213.10 × 779,769.80
  4. Step 4: Simplify right side
    1,093,142.60x = 1,281,327,950,344.38
  5. Step 5: Solve for x
    x = 1,281,327,950,344.38/1,093,142.60
  6. Step 6: Final answer
    x = 1,172,150.78

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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.