Home / 1,268,732.90-1,750,690.08-724,903.90

Finding the Fourth Proportional to 1,268,732.90, 1,750,690.08 and 724,903.90

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Solution

The fourth proportional to 1,268,732.90, 1,750,690.08 and 724,903.90 is: 1,000,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,732.90 : 1,750,690.08 = 724,903.90 : x
  2. Step 2: Convert to fraction form
    1,268,732.90/1,750,690.08 = 724,903.90/x
  3. Step 3: Cross multiply
    1,268,732.90x = 1,750,690.08 × 724,903.90
  4. Step 4: Simplify right side
    1,268,732.90x = 1,269,082,062,306.59
  5. Step 5: Solve for x
    x = 1,269,082,062,306.59/1,268,732.90
  6. Step 6: Final answer
    x = 1,000,275.20

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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.