Home / 1,183,820.81-1,633,832.65-667,680.62

Finding the Fourth Proportional to 1,183,820.81, 1,633,832.65 and 667,680.62

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Solution

The fourth proportional to 1,183,820.81, 1,633,832.65 and 667,680.62 is: 921,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,820.81 : 1,633,832.65 = 667,680.62 : x
  2. Step 2: Convert to fraction form
    1,183,820.81/1,633,832.65 = 667,680.62/x
  3. Step 3: Cross multiply
    1,183,820.81x = 1,633,832.65 × 667,680.62
  4. Step 4: Simplify right side
    1,183,820.81x = 1,090,878,386,889.88
  5. Step 5: Solve for x
    x = 1,090,878,386,889.88/1,183,820.81
  6. Step 6: Final answer
    x = 921,489.45

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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.