Home / 1,182,690.68-1,632,146.76-666,449.33

Finding the Fourth Proportional to 1,182,690.68, 1,632,146.76 and 666,449.33

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Solution

The fourth proportional to 1,182,690.68, 1,632,146.76 and 666,449.33 is: 919,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,690.68 : 1,632,146.76 = 666,449.33 : x
  2. Step 2: Convert to fraction form
    1,182,690.68/1,632,146.76 = 666,449.33/x
  3. Step 3: Cross multiply
    1,182,690.68x = 1,632,146.76 × 666,449.33
  4. Step 4: Simplify right side
    1,182,690.68x = 1,087,743,106,502.94
  5. Step 5: Solve for x
    x = 1,087,743,106,502.94/1,182,690.68
  6. Step 6: Final answer
    x = 919,719.02

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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.