Home / 1,521,123.63-2,098,535.81-876,198.39

Finding the Fourth Proportional to 1,521,123.63, 2,098,535.81 and 876,198.39

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Solution

The fourth proportional to 1,521,123.63, 2,098,535.81 and 876,198.39 is: 1,208,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,123.63 : 2,098,535.81 = 876,198.39 : x
  2. Step 2: Convert to fraction form
    1,521,123.63/2,098,535.81 = 876,198.39/x
  3. Step 3: Cross multiply
    1,521,123.63x = 2,098,535.81 × 876,198.39
  4. Step 4: Simplify right side
    1,521,123.63x = 1,838,733,687,586.67
  5. Step 5: Solve for x
    x = 1,838,733,687,586.67/1,521,123.63
  6. Step 6: Final answer
    x = 1,208,799.64

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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.