Home / 1,507,512.50-2,080,375.26-819,189.80

Finding the Fourth Proportional to 1,507,512.50, 2,080,375.26 and 819,189.80

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Solution

The fourth proportional to 1,507,512.50, 2,080,375.26 and 819,189.80 is: 1,130,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,512.50 : 2,080,375.26 = 819,189.80 : x
  2. Step 2: Convert to fraction form
    1,507,512.50/2,080,375.26 = 819,189.80/x
  3. Step 3: Cross multiply
    1,507,512.50x = 2,080,375.26 × 819,189.80
  4. Step 4: Simplify right side
    1,507,512.50x = 1,704,222,193,164.35
  5. Step 5: Solve for x
    x = 1,704,222,193,164.35/1,507,512.50
  6. Step 6: Final answer
    x = 1,130,486.28

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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.