Home / 1,520,808.69-2,098,203.51-876,212.85

Finding the Fourth Proportional to 1,520,808.69, 2,098,203.51 and 876,212.85

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Solution

The fourth proportional to 1,520,808.69, 2,098,203.51 and 876,212.85 is: 1,208,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,808.69 : 2,098,203.51 = 876,212.85 : x
  2. Step 2: Convert to fraction form
    1,520,808.69/2,098,203.51 = 876,212.85/x
  3. Step 3: Cross multiply
    1,520,808.69x = 2,098,203.51 × 876,212.85
  4. Step 4: Simplify right side
    1,520,808.69x = 1,838,472,877,377.10
  5. Step 5: Solve for x
    x = 1,838,472,877,377.10/1,520,808.69
  6. Step 6: Final answer
    x = 1,208,878.47

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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.