Home / 1,520,809.69-2,098,204.89-876,213.85

Finding the Fourth Proportional to 1,520,809.69, 2,098,204.89 and 876,213.85

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Solution

The fourth proportional to 1,520,809.69, 2,098,204.89 and 876,213.85 is: 1,208,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,809.69 : 2,098,204.89 = 876,213.85 : x
  2. Step 2: Convert to fraction form
    1,520,809.69/2,098,204.89 = 876,213.85/x
  3. Step 3: Cross multiply
    1,520,809.69x = 2,098,204.89 × 876,213.85
  4. Step 4: Simplify right side
    1,520,809.69x = 1,838,476,184,755.73
  5. Step 5: Solve for x
    x = 1,838,476,184,755.73/1,520,809.69
  6. Step 6: Final answer
    x = 1,208,879.85

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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.