Home / 1,490,447.59-2,236,001.25-543,815.57

Finding the Fourth Proportional to 1,490,447.59, 2,236,001.25 and 543,815.57

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Solution

The fourth proportional to 1,490,447.59, 2,236,001.25 and 543,815.57 is: 815,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,447.59 : 2,236,001.25 = 543,815.57 : x
  2. Step 2: Convert to fraction form
    1,490,447.59/2,236,001.25 = 543,815.57/x
  3. Step 3: Cross multiply
    1,490,447.59x = 2,236,001.25 × 543,815.57
  4. Step 4: Simplify right side
    1,490,447.59x = 1,215,972,301,918.77
  5. Step 5: Solve for x
    x = 1,215,972,301,918.77/1,490,447.59
  6. Step 6: Final answer
    x = 815,843.72

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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.