Home / 1,369,767.04-1,890,112.89-789,180.10

Finding the Fourth Proportional to 1,369,767.04, 1,890,112.89 and 789,180.10

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Solution

The fourth proportional to 1,369,767.04, 1,890,112.89 and 789,180.10 is: 1,088,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,767.04 : 1,890,112.89 = 789,180.10 : x
  2. Step 2: Convert to fraction form
    1,369,767.04/1,890,112.89 = 789,180.10/x
  3. Step 3: Cross multiply
    1,369,767.04x = 1,890,112.89 × 789,180.10
  4. Step 4: Simplify right side
    1,369,767.04x = 1,491,639,479,541.49
  5. Step 5: Solve for x
    x = 1,491,639,479,541.49/1,369,767.04
  6. Step 6: Final answer
    x = 1,088,973.11

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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.