Home / 1,065,229.81-1,469,043.55-832,687.47

Finding the Fourth Proportional to 1,065,229.81, 1,469,043.55 and 832,687.47

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Solution

The fourth proportional to 1,065,229.81, 1,469,043.55 and 832,687.47 is: 1,148,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,229.81 : 1,469,043.55 = 832,687.47 : x
  2. Step 2: Convert to fraction form
    1,065,229.81/1,469,043.55 = 832,687.47/x
  3. Step 3: Cross multiply
    1,065,229.81x = 1,469,043.55 × 832,687.47
  4. Step 4: Simplify right side
    1,065,229.81x = 1,223,254,156,969.32
  5. Step 5: Solve for x
    x = 1,223,254,156,969.32/1,065,229.81
  6. Step 6: Final answer
    x = 1,148,347.66

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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.