Home / 1,276,246.12-1,914,300.06-389,713

Finding the Fourth Proportional to 1,276,246.12, 1,914,300.06 and 389,713

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Solution

The fourth proportional to 1,276,246.12, 1,914,300.06 and 389,713 is: 584,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,246.12 : 1,914,300.06 = 389,713 : x
  2. Step 2: Convert to fraction form
    1,276,246.12/1,914,300.06 = 389,713/x
  3. Step 3: Cross multiply
    1,276,246.12x = 1,914,300.06 × 389,713
  4. Step 4: Simplify right side
    1,276,246.12x = 746,027,619,282.78
  5. Step 5: Solve for x
    x = 746,027,619,282.78/1,276,246.12
  6. Step 6: Final answer
    x = 584,548.39

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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.