Home / 1,078,758.34-1,489,246.25-788,043.48

Finding the Fourth Proportional to 1,078,758.34, 1,489,246.25 and 788,043.48

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Solution

The fourth proportional to 1,078,758.34, 1,489,246.25 and 788,043.48 is: 1,087,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,758.34 : 1,489,246.25 = 788,043.48 : x
  2. Step 2: Convert to fraction form
    1,078,758.34/1,489,246.25 = 788,043.48/x
  3. Step 3: Cross multiply
    1,078,758.34x = 1,489,246.25 × 788,043.48
  4. Step 4: Simplify right side
    1,078,758.34x = 1,173,590,797,426.95
  5. Step 5: Solve for x
    x = 1,173,590,797,426.95/1,078,758.34
  6. Step 6: Final answer
    x = 1,087,908.90

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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.