Home / 1,198,833.20-1,798,019.40-357,412.40

Finding the Fourth Proportional to 1,198,833.20, 1,798,019.40 and 357,412.40

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Solution

The fourth proportional to 1,198,833.20, 1,798,019.40 and 357,412.40 is: 536,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,833.20 : 1,798,019.40 = 357,412.40 : x
  2. Step 2: Convert to fraction form
    1,198,833.20/1,798,019.40 = 357,412.40/x
  3. Step 3: Cross multiply
    1,198,833.20x = 1,798,019.40 × 357,412.40
  4. Step 4: Simplify right side
    1,198,833.20x = 642,634,429,000.56
  5. Step 5: Solve for x
    x = 642,634,429,000.56/1,198,833.20
  6. Step 6: Final answer
    x = 536,049.91

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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.