Home / 1,101,433.26-1,520,004.08-618,034.15

Finding the Fourth Proportional to 1,101,433.26, 1,520,004.08 and 618,034.15

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Solution

The fourth proportional to 1,101,433.26, 1,520,004.08 and 618,034.15 is: 852,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,433.26 : 1,520,004.08 = 618,034.15 : x
  2. Step 2: Convert to fraction form
    1,101,433.26/1,520,004.08 = 618,034.15/x
  3. Step 3: Cross multiply
    1,101,433.26x = 1,520,004.08 × 618,034.15
  4. Step 4: Simplify right side
    1,101,433.26x = 939,414,418,889.14
  5. Step 5: Solve for x
    x = 939,414,418,889.14/1,101,433.26
  6. Step 6: Final answer
    x = 852,901.81

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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.