Home / 1,207,452.85-1,811,179.28-1,191,706.45

Finding the Fourth Proportional to 1,207,452.85, 1,811,179.28 and 1,191,706.45

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Solution

The fourth proportional to 1,207,452.85, 1,811,179.28 and 1,191,706.45 is: 1,787,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,452.85 : 1,811,179.28 = 1,191,706.45 : x
  2. Step 2: Convert to fraction form
    1,207,452.85/1,811,179.28 = 1,191,706.45/x
  3. Step 3: Cross multiply
    1,207,452.85x = 1,811,179.28 × 1,191,706.45
  4. Step 4: Simplify right side
    1,207,452.85x = 2,158,394,024,123.82
  5. Step 5: Solve for x
    x = 2,158,394,024,123.82/1,207,452.85
  6. Step 6: Final answer
    x = 1,787,559.68

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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.