Home / 1,561,401.47-2,155,955.25-1,198,250.12

Finding the Fourth Proportional to 1,561,401.47, 2,155,955.25 and 1,198,250.12

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Solution

The fourth proportional to 1,561,401.47, 2,155,955.25 and 1,198,250.12 is: 1,654,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,401.47 : 2,155,955.25 = 1,198,250.12 : x
  2. Step 2: Convert to fraction form
    1,561,401.47/2,155,955.25 = 1,198,250.12/x
  3. Step 3: Cross multiply
    1,561,401.47x = 2,155,955.25 × 1,198,250.12
  4. Step 4: Simplify right side
    1,561,401.47x = 2,583,373,626,247.35
  5. Step 5: Solve for x
    x = 2,583,373,626,247.35/1,561,401.47
  6. Step 6: Final answer
    x = 1,654,522.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.