Home / 1,669,787.87-2,304,313.11-905,846.90

Finding the Fourth Proportional to 1,669,787.87, 2,304,313.11 and 905,846.90

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Solution

The fourth proportional to 1,669,787.87, 2,304,313.11 and 905,846.90 is: 1,250,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,787.87 : 2,304,313.11 = 905,846.90 : x
  2. Step 2: Convert to fraction form
    1,669,787.87/2,304,313.11 = 905,846.90/x
  3. Step 3: Cross multiply
    1,669,787.87x = 2,304,313.11 × 905,846.90
  4. Step 4: Simplify right side
    1,669,787.87x = 2,087,354,875,801.29
  5. Step 5: Solve for x
    x = 2,087,354,875,801.29/1,669,787.87
  6. Step 6: Final answer
    x = 1,250,071.89

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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.