Home / 1,459,516.80-2,187,306.90-978,376.80

Finding the Fourth Proportional to 1,459,516.80, 2,187,306.90 and 978,376.80

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Solution

The fourth proportional to 1,459,516.80, 2,187,306.90 and 978,376.80 is: 1,466,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,516.80 : 2,187,306.90 = 978,376.80 : x
  2. Step 2: Convert to fraction form
    1,459,516.80/2,187,306.90 = 978,376.80/x
  3. Step 3: Cross multiply
    1,459,516.80x = 2,187,306.90 × 978,376.80
  4. Step 4: Simplify right side
    1,459,516.80x = 2,140,010,325,439.92
  5. Step 5: Solve for x
    x = 2,140,010,325,439.92/1,459,516.80
  6. Step 6: Final answer
    x = 1,466,245.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.