Home / 1,492,092.78-2,059,306.09-838,772.61

Finding the Fourth Proportional to 1,492,092.78, 2,059,306.09 and 838,772.61

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Solution

The fourth proportional to 1,492,092.78, 2,059,306.09 and 838,772.61 is: 1,157,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,092.78 : 2,059,306.09 = 838,772.61 : x
  2. Step 2: Convert to fraction form
    1,492,092.78/2,059,306.09 = 838,772.61/x
  3. Step 3: Cross multiply
    1,492,092.78x = 2,059,306.09 × 838,772.61
  4. Step 4: Simplify right side
    1,492,092.78x = 1,727,289,529,407.80
  5. Step 5: Solve for x
    x = 1,727,289,529,407.80/1,492,092.78
  6. Step 6: Final answer
    x = 1,157,628.77

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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.