Home / 1,199,233.20-1,798,619.40-357,812.40

Finding the Fourth Proportional to 1,199,233.20, 1,798,619.40 and 357,812.40

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Solution

The fourth proportional to 1,199,233.20, 1,798,619.40 and 357,812.40 is: 536,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,233.20 : 1,798,619.40 = 357,812.40 : x
  2. Step 2: Convert to fraction form
    1,199,233.20/1,798,619.40 = 357,812.40/x
  3. Step 3: Cross multiply
    1,199,233.20x = 1,798,619.40 × 357,812.40
  4. Step 4: Simplify right side
    1,199,233.20x = 643,568,324,200.56
  5. Step 5: Solve for x
    x = 643,568,324,200.56/1,199,233.20
  6. Step 6: Final answer
    x = 536,649.86

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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.