Home / 1,078,712.24-1,488,067.00-670,659.35

Finding the Fourth Proportional to 1,078,712.24, 1,488,067.00 and 670,659.35

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Solution

The fourth proportional to 1,078,712.24, 1,488,067.00 and 670,659.35 is: 925,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,712.24 : 1,488,067.00 = 670,659.35 : x
  2. Step 2: Convert to fraction form
    1,078,712.24/1,488,067.00 = 670,659.35/x
  3. Step 3: Cross multiply
    1,078,712.24x = 1,488,067.00 × 670,659.35
  4. Step 4: Simplify right side
    1,078,712.24x = 997,986,037,859.47
  5. Step 5: Solve for x
    x = 997,986,037,859.47/1,078,712.24
  6. Step 6: Final answer
    x = 925,164.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.