Home / 1,031,193.12-1,546,789.80-321,278.40

Finding the Fourth Proportional to 1,031,193.12, 1,546,789.80 and 321,278.40

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Solution

The fourth proportional to 1,031,193.12, 1,546,789.80 and 321,278.40 is: 481,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,193.12 : 1,546,789.80 = 321,278.40 : x
  2. Step 2: Convert to fraction form
    1,031,193.12/1,546,789.80 = 321,278.40/x
  3. Step 3: Cross multiply
    1,031,193.12x = 1,546,789.80 × 321,278.40
  4. Step 4: Simplify right side
    1,031,193.12x = 496,950,152,080.32
  5. Step 5: Solve for x
    x = 496,950,152,080.32/1,031,193.12
  6. Step 6: Final answer
    x = 481,917.64

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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.