Home / 1,276,170.39-1,914,292.71-477,299.52

Finding the Fourth Proportional to 1,276,170.39, 1,914,292.71 and 477,299.52

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Solution

The fourth proportional to 1,276,170.39, 1,914,292.71 and 477,299.52 is: 715,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,170.39 : 1,914,292.71 = 477,299.52 : x
  2. Step 2: Convert to fraction form
    1,276,170.39/1,914,292.71 = 477,299.52/x
  3. Step 3: Cross multiply
    1,276,170.39x = 1,914,292.71 × 477,299.52
  4. Step 4: Simplify right side
    1,276,170.39x = 913,690,991,622.50
  5. Step 5: Solve for x
    x = 913,690,991,622.50/1,276,170.39
  6. Step 6: Final answer
    x = 715,963.17

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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.