Home / 1,503,818.13-2,255,689.71-438,869.43

Finding the Fourth Proportional to 1,503,818.13, 2,255,689.71 and 438,869.43

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Solution

The fourth proportional to 1,503,818.13, 2,255,689.71 and 438,869.43 is: 658,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,818.13 : 2,255,689.71 = 438,869.43 : x
  2. Step 2: Convert to fraction form
    1,503,818.13/2,255,689.71 = 438,869.43/x
  3. Step 3: Cross multiply
    1,503,818.13x = 2,255,689.71 × 438,869.43
  4. Step 4: Simplify right side
    1,503,818.13x = 989,953,257,284.57
  5. Step 5: Solve for x
    x = 989,953,257,284.57/1,503,818.13
  6. Step 6: Final answer
    x = 658,293.21

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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.