Home / 1,374,542.13-2,062,081.92-415,075.85

Finding the Fourth Proportional to 1,374,542.13, 2,062,081.92 and 415,075.85

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Solution

The fourth proportional to 1,374,542.13, 2,062,081.92 and 415,075.85 is: 622,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,542.13 : 2,062,081.92 = 415,075.85 : x
  2. Step 2: Convert to fraction form
    1,374,542.13/2,062,081.92 = 415,075.85/x
  3. Step 3: Cross multiply
    1,374,542.13x = 2,062,081.92 × 415,075.85
  4. Step 4: Simplify right side
    1,374,542.13x = 855,920,405,713.63
  5. Step 5: Solve for x
    x = 855,920,405,713.63/1,374,542.13
  6. Step 6: Final answer
    x = 622,694.92

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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.