Home / 1,365,044.19-2,047,865.17-418,488.72

Finding the Fourth Proportional to 1,365,044.19, 2,047,865.17 and 418,488.72

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Solution

The fourth proportional to 1,365,044.19, 2,047,865.17 and 418,488.72 is: 627,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,044.19 : 2,047,865.17 = 418,488.72 : x
  2. Step 2: Convert to fraction form
    1,365,044.19/2,047,865.17 = 418,488.72/x
  3. Step 3: Cross multiply
    1,365,044.19x = 2,047,865.17 × 418,488.72
  4. Step 4: Simplify right side
    1,365,044.19x = 857,008,473,725.88
  5. Step 5: Solve for x
    x = 857,008,473,725.88/1,365,044.19
  6. Step 6: Final answer
    x = 627,824.71

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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.