Home / 1,637,932.30-2,260,348.72-912,764.09

Finding the Fourth Proportional to 1,637,932.30, 2,260,348.72 and 912,764.09

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Solution

The fourth proportional to 1,637,932.30, 2,260,348.72 and 912,764.09 is: 1,259,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,932.30 : 2,260,348.72 = 912,764.09 : x
  2. Step 2: Convert to fraction form
    1,637,932.30/2,260,348.72 = 912,764.09/x
  3. Step 3: Cross multiply
    1,637,932.30x = 2,260,348.72 × 912,764.09
  4. Step 4: Simplify right side
    1,637,932.30x = 2,063,165,142,493.47
  5. Step 5: Solve for x
    x = 2,063,165,142,493.47/1,637,932.30
  6. Step 6: Final answer
    x = 1,259,615.64

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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.