Home / 726,120.10-1,017,617.90-726,120.10

Finding the Fourth Proportional to 726,120.10, 1,017,617.90 and 726,120.10

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Solution

The fourth proportional to 726,120.10, 1,017,617.90 and 726,120.10 is: 1,017,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,120.10 : 1,017,617.90 = 726,120.10 : x
  2. Step 2: Convert to fraction form
    726,120.10/1,017,617.90 = 726,120.10/x
  3. Step 3: Cross multiply
    726,120.10x = 1,017,617.90 × 726,120.10
  4. Step 4: Simplify right side
    726,120.10x = 738,912,811,309.79
  5. Step 5: Solve for x
    x = 738,912,811,309.79/726,120.10
  6. Step 6: Final answer
    x = 1,017,617.90

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.