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Finding the Fourth Proportional to 1,199,409.45, 1,799,425.50 and 357,961.20

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Solution

The fourth proportional to 1,199,409.45, 1,799,425.50 and 357,961.20 is: 537,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,409.45 : 1,799,425.50 = 357,961.20 : x
  2. Step 2: Convert to fraction form
    1,199,409.45/1,799,425.50 = 357,961.20/x
  3. Step 3: Cross multiply
    1,199,409.45x = 1,799,425.50 × 357,961.20
  4. Step 4: Simplify right side
    1,199,409.45x = 644,124,511,290.60
  5. Step 5: Solve for x
    x = 644,124,511,290.60/1,199,409.45
  6. Step 6: Final answer
    x = 537,034.71

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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.