Home / 1,428,459.74-2,143,247.18-629,180.90

Finding the Fourth Proportional to 1,428,459.74, 2,143,247.18 and 629,180.90

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Solution

The fourth proportional to 1,428,459.74, 2,143,247.18 and 629,180.90 is: 944,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,459.74 : 2,143,247.18 = 629,180.90 : x
  2. Step 2: Convert to fraction form
    1,428,459.74/2,143,247.18 = 629,180.90/x
  3. Step 3: Cross multiply
    1,428,459.74x = 2,143,247.18 × 629,180.90
  4. Step 4: Simplify right side
    1,428,459.74x = 1,348,490,189,634.86
  5. Step 5: Solve for x
    x = 1,348,490,189,634.86/1,428,459.74
  6. Step 6: Final answer
    x = 944,016.94

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Why These Related Problems?

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