Home / 1,636,839.46-2,258,951.98-992,286.82

Finding the Fourth Proportional to 1,636,839.46, 2,258,951.98 and 992,286.82

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Solution

The fourth proportional to 1,636,839.46, 2,258,951.98 and 992,286.82 is: 1,369,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,839.46 : 2,258,951.98 = 992,286.82 : x
  2. Step 2: Convert to fraction form
    1,636,839.46/2,258,951.98 = 992,286.82/x
  3. Step 3: Cross multiply
    1,636,839.46x = 2,258,951.98 × 992,286.82
  4. Step 4: Simplify right side
    1,636,839.46x = 2,241,528,265,472.14
  5. Step 5: Solve for x
    x = 2,241,528,265,472.14/1,636,839.46
  6. Step 6: Final answer
    x = 1,369,424.63

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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.