Home / 1,347,980.58-2,021,988.78-449,422.61

Finding the Fourth Proportional to 1,347,980.58, 2,021,988.78 and 449,422.61

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Solution

The fourth proportional to 1,347,980.58, 2,021,988.78 and 449,422.61 is: 674,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,980.58 : 2,021,988.78 = 449,422.61 : x
  2. Step 2: Convert to fraction form
    1,347,980.58/2,021,988.78 = 449,422.61/x
  3. Step 3: Cross multiply
    1,347,980.58x = 2,021,988.78 × 449,422.61
  4. Step 4: Simplify right side
    1,347,980.58x = 908,727,464,788.37
  5. Step 5: Solve for x
    x = 908,727,464,788.37/1,347,980.58
  6. Step 6: Final answer
    x = 674,139.88

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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.