Home / 1,078,097.28-1,618,266.93-794,108.16

Finding the Fourth Proportional to 1,078,097.28, 1,618,266.93 and 794,108.16

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Solution

The fourth proportional to 1,078,097.28, 1,618,266.93 and 794,108.16 is: 1,191,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,097.28 : 1,618,266.93 = 794,108.16 : x
  2. Step 2: Convert to fraction form
    1,078,097.28/1,618,266.93 = 794,108.16/x
  3. Step 3: Cross multiply
    1,078,097.28x = 1,618,266.93 × 794,108.16
  4. Step 4: Simplify right side
    1,078,097.28x = 1,285,078,974,171.15
  5. Step 5: Solve for x
    x = 1,285,078,974,171.15/1,078,097.28
  6. Step 6: Final answer
    x = 1,191,987.96

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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.