Home / 1,459,540.80-2,187,342.90-978,400.80

Finding the Fourth Proportional to 1,459,540.80, 2,187,342.90 and 978,400.80

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Solution

The fourth proportional to 1,459,540.80, 2,187,342.90 and 978,400.80 is: 1,466,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,540.80 : 2,187,342.90 = 978,400.80 : x
  2. Step 2: Convert to fraction form
    1,459,540.80/2,187,342.90 = 978,400.80/x
  3. Step 3: Cross multiply
    1,459,540.80x = 2,187,342.90 × 978,400.80
  4. Step 4: Simplify right side
    1,459,540.80x = 2,140,098,043,234.32
  5. Step 5: Solve for x
    x = 2,140,098,043,234.32/1,459,540.80
  6. Step 6: Final answer
    x = 1,466,281.75

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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.