Home / 1,265,246.82-1,897,868.58-412,317.06

Finding the Fourth Proportional to 1,265,246.82, 1,897,868.58 and 412,317.06

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Solution

The fourth proportional to 1,265,246.82, 1,897,868.58 and 412,317.06 is: 618,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,246.82 : 1,897,868.58 = 412,317.06 : x
  2. Step 2: Convert to fraction form
    1,265,246.82/1,897,868.58 = 412,317.06/x
  3. Step 3: Cross multiply
    1,265,246.82x = 1,897,868.58 × 412,317.06
  4. Step 4: Simplify right side
    1,265,246.82x = 782,523,593,171.98
  5. Step 5: Solve for x
    x = 782,523,593,171.98/1,265,246.82
  6. Step 6: Final answer
    x = 618,475.05

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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.