Home / 1,636,857.34-2,258,976.70-992,304.70

Finding the Fourth Proportional to 1,636,857.34, 2,258,976.70 and 992,304.70

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Solution

The fourth proportional to 1,636,857.34, 2,258,976.70 and 992,304.70 is: 1,369,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,857.34 : 2,258,976.70 = 992,304.70 : x
  2. Step 2: Convert to fraction form
    1,636,857.34/2,258,976.70 = 992,304.70/x
  3. Step 3: Cross multiply
    1,636,857.34x = 2,258,976.70 × 992,304.70
  4. Step 4: Simplify right side
    1,636,857.34x = 2,241,593,196,600.49
  5. Step 5: Solve for x
    x = 2,241,593,196,600.49/1,636,857.34
  6. Step 6: Final answer
    x = 1,369,449.34

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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.