Home / 1,419,278.90-1,958,312.49-815,550.26

Finding the Fourth Proportional to 1,419,278.90, 1,958,312.49 and 815,550.26

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Solution

The fourth proportional to 1,419,278.90, 1,958,312.49 and 815,550.26 is: 1,125,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,278.90 : 1,958,312.49 = 815,550.26 : x
  2. Step 2: Convert to fraction form
    1,419,278.90/1,958,312.49 = 815,550.26/x
  3. Step 3: Cross multiply
    1,419,278.90x = 1,958,312.49 × 815,550.26
  4. Step 4: Simplify right side
    1,419,278.90x = 1,597,102,250,589.19
  5. Step 5: Solve for x
    x = 1,597,102,250,589.19/1,419,278.90
  6. Step 6: Final answer
    x = 1,125,291.34

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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.