Home / 1,329,348.27-1,993,825.31-430,869.27

Finding the Fourth Proportional to 1,329,348.27, 1,993,825.31 and 430,869.27

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Solution

The fourth proportional to 1,329,348.27, 1,993,825.31 and 430,869.27 is: 646,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,348.27 : 1,993,825.31 = 430,869.27 : x
  2. Step 2: Convert to fraction form
    1,329,348.27/1,993,825.31 = 430,869.27/x
  3. Step 3: Cross multiply
    1,329,348.27x = 1,993,825.31 × 430,869.27
  4. Step 4: Simplify right side
    1,329,348.27x = 859,078,053,672.88
  5. Step 5: Solve for x
    x = 859,078,053,672.88/1,329,348.27
  6. Step 6: Final answer
    x = 646,240.02

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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.