Home / 1,092,853.86-1,508,553.75-821,709.12

Finding the Fourth Proportional to 1,092,853.86, 1,508,553.75 and 821,709.12

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Solution

The fourth proportional to 1,092,853.86, 1,508,553.75 and 821,709.12 is: 1,134,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,853.86 : 1,508,553.75 = 821,709.12 : x
  2. Step 2: Convert to fraction form
    1,092,853.86/1,508,553.75 = 821,709.12/x
  3. Step 3: Cross multiply
    1,092,853.86x = 1,508,553.75 × 821,709.12
  4. Step 4: Simplify right side
    1,092,853.86x = 1,239,592,370,276.65
  5. Step 5: Solve for x
    x = 1,239,592,370,276.65/1,092,853.86
  6. Step 6: Final answer
    x = 1,134,270.94

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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.