Home / 1,359,436.22-2,039,021.82-412,815.14

Finding the Fourth Proportional to 1,359,436.22, 2,039,021.82 and 412,815.14

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Solution

The fourth proportional to 1,359,436.22, 2,039,021.82 and 412,815.14 is: 619,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,436.22 : 2,039,021.82 = 412,815.14 : x
  2. Step 2: Convert to fraction form
    1,359,436.22/2,039,021.82 = 412,815.14/x
  3. Step 3: Cross multiply
    1,359,436.22x = 2,039,021.82 × 412,815.14
  4. Step 4: Simplify right side
    1,359,436.22x = 841,739,078,086.36
  5. Step 5: Solve for x
    x = 841,739,078,086.36/1,359,436.22
  6. Step 6: Final answer
    x = 619,182.47

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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.