Home / 1,255,884.94-1,884,330.42-457,221.70

Finding the Fourth Proportional to 1,255,884.94, 1,884,330.42 and 457,221.70

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Solution

The fourth proportional to 1,255,884.94, 1,884,330.42 and 457,221.70 is: 686,015.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,884.94 : 1,884,330.42 = 457,221.70 : x
  2. Step 2: Convert to fraction form
    1,255,884.94/1,884,330.42 = 457,221.70/x
  3. Step 3: Cross multiply
    1,255,884.94x = 1,884,330.42 × 457,221.70
  4. Step 4: Simplify right side
    1,255,884.94x = 861,556,757,994.11
  5. Step 5: Solve for x
    x = 861,556,757,994.11/1,255,884.94
  6. Step 6: Final answer
    x = 686,015.68

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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.