Home / 1,721,034.40-2,581,551.60-1,245,488.80

Finding the Fourth Proportional to 1,721,034.40, 2,581,551.60 and 1,245,488.80

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Solution

The fourth proportional to 1,721,034.40, 2,581,551.60 and 1,245,488.80 is: 1,868,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,034.40 : 2,581,551.60 = 1,245,488.80 : x
  2. Step 2: Convert to fraction form
    1,721,034.40/2,581,551.60 = 1,245,488.80/x
  3. Step 3: Cross multiply
    1,721,034.40x = 2,581,551.60 × 1,245,488.80
  4. Step 4: Simplify right side
    1,721,034.40x = 3,215,293,604,422.08
  5. Step 5: Solve for x
    x = 3,215,293,604,422.08/1,721,034.40
  6. Step 6: Final answer
    x = 1,868,233.20

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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.