Home / 1,375,940.17-2,064,074.39-665,457.68

Finding the Fourth Proportional to 1,375,940.17, 2,064,074.39 and 665,457.68

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Solution

The fourth proportional to 1,375,940.17, 2,064,074.39 and 665,457.68 is: 998,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,940.17 : 2,064,074.39 = 665,457.68 : x
  2. Step 2: Convert to fraction form
    1,375,940.17/2,064,074.39 = 665,457.68/x
  3. Step 3: Cross multiply
    1,375,940.17x = 2,064,074.39 × 665,457.68
  4. Step 4: Simplify right side
    1,375,940.17x = 1,373,554,155,311.57
  5. Step 5: Solve for x
    x = 1,373,554,155,311.57/1,375,940.17
  6. Step 6: Final answer
    x = 998,265.90

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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.