Home / 1,369,964.70-1,890,504.81-758,143.28

Finding the Fourth Proportional to 1,369,964.70, 1,890,504.81 and 758,143.28

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Solution

The fourth proportional to 1,369,964.70, 1,890,504.81 and 758,143.28 is: 1,046,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,964.70 : 1,890,504.81 = 758,143.28 : x
  2. Step 2: Convert to fraction form
    1,369,964.70/1,890,504.81 = 758,143.28/x
  3. Step 3: Cross multiply
    1,369,964.70x = 1,890,504.81 × 758,143.28
  4. Step 4: Simplify right side
    1,369,964.70x = 1,433,273,508,056.65
  5. Step 5: Solve for x
    x = 1,433,273,508,056.65/1,369,964.70
  6. Step 6: Final answer
    x = 1,046,212.00

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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.