Home / 1,265,274-1,897,909.38-412,344.36

Finding the Fourth Proportional to 1,265,274, 1,897,909.38 and 412,344.36

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Solution

The fourth proportional to 1,265,274, 1,897,909.38 and 412,344.36 is: 618,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,274 : 1,897,909.38 = 412,344.36 : x
  2. Step 2: Convert to fraction form
    1,265,274/1,897,909.38 = 412,344.36/x
  3. Step 3: Cross multiply
    1,265,274x = 1,897,909.38 × 412,344.36
  4. Step 4: Simplify right side
    1,265,274x = 782,592,228,634.10
  5. Step 5: Solve for x
    x = 782,592,228,634.10/1,265,274
  6. Step 6: Final answer
    x = 618,516.01

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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.