Home / 1,160,008.12-1,739,449.62-680,392.66

Finding the Fourth Proportional to 1,160,008.12, 1,739,449.62 and 680,392.66

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Solution

The fourth proportional to 1,160,008.12, 1,739,449.62 and 680,392.66 is: 1,020,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,008.12 : 1,739,449.62 = 680,392.66 : x
  2. Step 2: Convert to fraction form
    1,160,008.12/1,739,449.62 = 680,392.66/x
  3. Step 3: Cross multiply
    1,160,008.12x = 1,739,449.62 × 680,392.66
  4. Step 4: Simplify right side
    1,160,008.12x = 1,183,508,753,887.79
  5. Step 5: Solve for x
    x = 1,183,508,753,887.79/1,160,008.12
  6. Step 6: Final answer
    x = 1,020,259.03

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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.