Home / 1,720,589.40-2,575,837.20-1,206,471.84

Finding the Fourth Proportional to 1,720,589.40, 2,575,837.20 and 1,206,471.84

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Solution

The fourth proportional to 1,720,589.40, 2,575,837.20 and 1,206,471.84 is: 1,806,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,589.40 : 2,575,837.20 = 1,206,471.84 : x
  2. Step 2: Convert to fraction form
    1,720,589.40/2,575,837.20 = 1,206,471.84/x
  3. Step 3: Cross multiply
    1,720,589.40x = 2,575,837.20 × 1,206,471.84
  4. Step 4: Simplify right side
    1,720,589.40x = 3,107,675,046,224.45
  5. Step 5: Solve for x
    x = 3,107,675,046,224.45/1,720,589.40
  6. Step 6: Final answer
    x = 1,806,168.89

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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.