Home / 1,268,732.40-1,750,689.39-724,903.41

Finding the Fourth Proportional to 1,268,732.40, 1,750,689.39 and 724,903.41

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Solution

The fourth proportional to 1,268,732.40, 1,750,689.39 and 724,903.41 is: 1,000,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,732.40 : 1,750,689.39 = 724,903.41 : x
  2. Step 2: Convert to fraction form
    1,268,732.40/1,750,689.39 = 724,903.41/x
  3. Step 3: Cross multiply
    1,268,732.40x = 1,750,689.39 × 724,903.41
  4. Step 4: Simplify right side
    1,268,732.40x = 1,269,080,708,661.82
  5. Step 5: Solve for x
    x = 1,269,080,708,661.82/1,268,732.40
  6. Step 6: Final answer
    x = 1,000,274.53

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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.