Home / 1,196,135.74-1,791,288.96-791,081.20

Finding the Fourth Proportional to 1,196,135.74, 1,791,288.96 and 791,081.20

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Solution

The fourth proportional to 1,196,135.74, 1,791,288.96 and 791,081.20 is: 1,184,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,135.74 : 1,791,288.96 = 791,081.20 : x
  2. Step 2: Convert to fraction form
    1,196,135.74/1,791,288.96 = 791,081.20/x
  3. Step 3: Cross multiply
    1,196,135.74x = 1,791,288.96 × 791,081.20
  4. Step 4: Simplify right side
    1,196,135.74x = 1,417,055,020,023.55
  5. Step 5: Solve for x
    x = 1,417,055,020,023.55/1,196,135.74
  6. Step 6: Final answer
    x = 1,184,694.16

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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.