Home / 1,212,981.73-1,815,686.35-893,493.84

Finding the Fourth Proportional to 1,212,981.73, 1,815,686.35 and 893,493.84

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Solution

The fourth proportional to 1,212,981.73, 1,815,686.35 and 893,493.84 is: 1,337,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,981.73 : 1,815,686.35 = 893,493.84 : x
  2. Step 2: Convert to fraction form
    1,212,981.73/1,815,686.35 = 893,493.84/x
  3. Step 3: Cross multiply
    1,212,981.73x = 1,815,686.35 × 893,493.84
  4. Step 4: Simplify right side
    1,212,981.73x = 1,622,304,560,018.65
  5. Step 5: Solve for x
    x = 1,622,304,560,018.65/1,212,981.73
  6. Step 6: Final answer
    x = 1,337,451.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.