Home / 1,320,791.28-1,822,744.23-740,019.42

Finding the Fourth Proportional to 1,320,791.28, 1,822,744.23 and 740,019.42

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Solution

The fourth proportional to 1,320,791.28, 1,822,744.23 and 740,019.42 is: 1,021,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,791.28 : 1,822,744.23 = 740,019.42 : x
  2. Step 2: Convert to fraction form
    1,320,791.28/1,822,744.23 = 740,019.42/x
  3. Step 3: Cross multiply
    1,320,791.28x = 1,822,744.23 × 740,019.42
  4. Step 4: Simplify right side
    1,320,791.28x = 1,348,866,127,892.95
  5. Step 5: Solve for x
    x = 1,348,866,127,892.95/1,320,791.28
  6. Step 6: Final answer
    x = 1,021,256.08

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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.