Home / 1,721,315.38-2,375,126.61-957,266.74

Finding the Fourth Proportional to 1,721,315.38, 2,375,126.61 and 957,266.74

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Solution

The fourth proportional to 1,721,315.38, 2,375,126.61 and 957,266.74 is: 1,320,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,315.38 : 2,375,126.61 = 957,266.74 : x
  2. Step 2: Convert to fraction form
    1,721,315.38/2,375,126.61 = 957,266.74/x
  3. Step 3: Cross multiply
    1,721,315.38x = 2,375,126.61 × 957,266.74
  4. Step 4: Simplify right side
    1,721,315.38x = 2,273,629,707,041.95
  5. Step 5: Solve for x
    x = 2,273,629,707,041.95/1,721,315.38
  6. Step 6: Final answer
    x = 1,320,867.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.