Home / 1,116,965.30-1,541,947.49-687,613.46

Finding the Fourth Proportional to 1,116,965.30, 1,541,947.49 and 687,613.46

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Solution

The fourth proportional to 1,116,965.30, 1,541,947.49 and 687,613.46 is: 949,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,965.30 : 1,541,947.49 = 687,613.46 : x
  2. Step 2: Convert to fraction form
    1,116,965.30/1,541,947.49 = 687,613.46/x
  3. Step 3: Cross multiply
    1,116,965.30x = 1,541,947.49 × 687,613.46
  4. Step 4: Simplify right side
    1,116,965.30x = 1,060,263,848,737.22
  5. Step 5: Solve for x
    x = 1,060,263,848,737.22/1,116,965.30
  6. Step 6: Final answer
    x = 949,236.16

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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.