Home / 1,770,294.40-2,645,363.70-1,329,238.80

Finding the Fourth Proportional to 1,770,294.40, 2,645,363.70 and 1,329,238.80

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Solution

The fourth proportional to 1,770,294.40, 2,645,363.70 and 1,329,238.80 is: 1,986,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,294.40 : 2,645,363.70 = 1,329,238.80 : x
  2. Step 2: Convert to fraction form
    1,770,294.40/2,645,363.70 = 1,329,238.80/x
  3. Step 3: Cross multiply
    1,770,294.40x = 2,645,363.70 × 1,329,238.80
  4. Step 4: Simplify right side
    1,770,294.40x = 3,516,320,070,151.56
  5. Step 5: Solve for x
    x = 3,516,320,070,151.56/1,770,294.40
  6. Step 6: Final answer
    x = 1,986,291.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.