Home / 1,720,422.33-2,581,158.38-879,564.57

Finding the Fourth Proportional to 1,720,422.33, 2,581,158.38 and 879,564.57

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Solution

The fourth proportional to 1,720,422.33, 2,581,158.38 and 879,564.57 is: 1,319,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,422.33 : 2,581,158.38 = 879,564.57 : x
  2. Step 2: Convert to fraction form
    1,720,422.33/2,581,158.38 = 879,564.57/x
  3. Step 3: Cross multiply
    1,720,422.33x = 2,581,158.38 × 879,564.57
  4. Step 4: Simplify right side
    1,720,422.33x = 2,270,295,456,208.77
  5. Step 5: Solve for x
    x = 2,270,295,456,208.77/1,720,422.33
  6. Step 6: Final answer
    x = 1,319,615.20

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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.