Home / 1,100,758.30-1,517,640.24-712,888.36

Finding the Fourth Proportional to 1,100,758.30, 1,517,640.24 and 712,888.36

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Solution

The fourth proportional to 1,100,758.30, 1,517,640.24 and 712,888.36 is: 982,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,758.30 : 1,517,640.24 = 712,888.36 : x
  2. Step 2: Convert to fraction form
    1,100,758.30/1,517,640.24 = 712,888.36/x
  3. Step 3: Cross multiply
    1,100,758.30x = 1,517,640.24 × 712,888.36
  4. Step 4: Simplify right side
    1,100,758.30x = 1,081,908,061,763.61
  5. Step 5: Solve for x
    x = 1,081,908,061,763.61/1,100,758.30
  6. Step 6: Final answer
    x = 982,875.22

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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.