Home / 1,169,791.88-1,754,687.81-421,837.88

Finding the Fourth Proportional to 1,169,791.88, 1,754,687.81 and 421,837.88

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Solution

The fourth proportional to 1,169,791.88, 1,754,687.81 and 421,837.88 is: 632,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,791.88 : 1,754,687.81 = 421,837.88 : x
  2. Step 2: Convert to fraction form
    1,169,791.88/1,754,687.81 = 421,837.88/x
  3. Step 3: Cross multiply
    1,169,791.88x = 1,754,687.81 × 421,837.88
  4. Step 4: Simplify right side
    1,169,791.88x = 740,193,778,113.40
  5. Step 5: Solve for x
    x = 740,193,778,113.40/1,169,791.88
  6. Step 6: Final answer
    x = 632,756.81

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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.