Home / 1,796,987.23-2,479,893.47-981,242.71

Finding the Fourth Proportional to 1,796,987.23, 2,479,893.47 and 981,242.71

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Solution

The fourth proportional to 1,796,987.23, 2,479,893.47 and 981,242.71 is: 1,354,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,987.23 : 2,479,893.47 = 981,242.71 : x
  2. Step 2: Convert to fraction form
    1,796,987.23/2,479,893.47 = 981,242.71/x
  3. Step 3: Cross multiply
    1,796,987.23x = 2,479,893.47 × 981,242.71
  4. Step 4: Simplify right side
    1,796,987.23x = 2,433,377,381,587.82
  5. Step 5: Solve for x
    x = 2,433,377,381,587.82/1,796,987.23
  6. Step 6: Final answer
    x = 1,354,142.84

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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.