Home / 1,268,725.65-1,750,680.09-724,896.66

Finding the Fourth Proportional to 1,268,725.65, 1,750,680.09 and 724,896.66

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Solution

The fourth proportional to 1,268,725.65, 1,750,680.09 and 724,896.66 is: 1,000,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,725.65 : 1,750,680.09 = 724,896.66 : x
  2. Step 2: Convert to fraction form
    1,268,725.65/1,750,680.09 = 724,896.66/x
  3. Step 3: Cross multiply
    1,268,725.65x = 1,750,680.09 × 724,896.66
  4. Step 4: Simplify right side
    1,268,725.65x = 1,269,062,149,969.50
  5. Step 5: Solve for x
    x = 1,269,062,149,969.50/1,268,725.65
  6. Step 6: Final answer
    x = 1,000,265.23

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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.