Home / 1,359,031.82-2,038,560.04-412,402.56

Finding the Fourth Proportional to 1,359,031.82, 2,038,560.04 and 412,402.56

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Solution

The fourth proportional to 1,359,031.82, 2,038,560.04 and 412,402.56 is: 618,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,031.82 : 2,038,560.04 = 412,402.56 : x
  2. Step 2: Convert to fraction form
    1,359,031.82/2,038,560.04 = 412,402.56/x
  3. Step 3: Cross multiply
    1,359,031.82x = 2,038,560.04 × 412,402.56
  4. Step 4: Simplify right side
    1,359,031.82x = 840,707,379,209.70
  5. Step 5: Solve for x
    x = 840,707,379,209.70/1,359,031.82
  6. Step 6: Final answer
    x = 618,607.58

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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.