Home / 1,272,792.55-1,756,453.38-699,869.83

Finding the Fourth Proportional to 1,272,792.55, 1,756,453.38 and 699,869.83

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Solution

The fourth proportional to 1,272,792.55, 1,756,453.38 and 699,869.83 is: 965,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,792.55 : 1,756,453.38 = 699,869.83 : x
  2. Step 2: Convert to fraction form
    1,272,792.55/1,756,453.38 = 699,869.83/x
  3. Step 3: Cross multiply
    1,272,792.55x = 1,756,453.38 × 699,869.83
  4. Step 4: Simplify right side
    1,272,792.55x = 1,229,288,728,463.53
  5. Step 5: Solve for x
    x = 1,229,288,728,463.53/1,272,792.55
  6. Step 6: Final answer
    x = 965,820.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.