Home / 1,772,140.98-2,659,242.56-747,407.55

Finding the Fourth Proportional to 1,772,140.98, 2,659,242.56 and 747,407.55

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Solution

The fourth proportional to 1,772,140.98, 2,659,242.56 and 747,407.55 is: 1,121,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,140.98 : 2,659,242.56 = 747,407.55 : x
  2. Step 2: Convert to fraction form
    1,772,140.98/2,659,242.56 = 747,407.55/x
  3. Step 3: Cross multiply
    1,772,140.98x = 2,659,242.56 × 747,407.55
  4. Step 4: Simplify right side
    1,772,140.98x = 1,987,537,972,860.45
  5. Step 5: Solve for x
    x = 1,987,537,972,860.45/1,772,140.98
  6. Step 6: Final answer
    x = 1,121,546.19

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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.