Home / 1,787,563.65-2,677,755.36-826,672.40

Finding the Fourth Proportional to 1,787,563.65, 2,677,755.36 and 826,672.40

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Solution

The fourth proportional to 1,787,563.65, 2,677,755.36 and 826,672.40 is: 1,238,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,563.65 : 2,677,755.36 = 826,672.40 : x
  2. Step 2: Convert to fraction form
    1,787,563.65/2,677,755.36 = 826,672.40/x
  3. Step 3: Cross multiply
    1,787,563.65x = 2,677,755.36 × 826,672.40
  4. Step 4: Simplify right side
    1,787,563.65x = 2,213,626,436,675.29
  5. Step 5: Solve for x
    x = 2,213,626,436,675.29/1,787,563.65
  6. Step 6: Final answer
    x = 1,238,348.32

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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.