Home / 1,263,016.84-1,742,872.26-689,935.36

Finding the Fourth Proportional to 1,263,016.84, 1,742,872.26 and 689,935.36

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Solution

The fourth proportional to 1,263,016.84, 1,742,872.26 and 689,935.36 is: 952,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,016.84 : 1,742,872.26 = 689,935.36 : x
  2. Step 2: Convert to fraction form
    1,263,016.84/1,742,872.26 = 689,935.36/x
  3. Step 3: Cross multiply
    1,263,016.84x = 1,742,872.26 × 689,935.36
  4. Step 4: Simplify right side
    1,263,016.84x = 1,202,469,200,137.11
  5. Step 5: Solve for x
    x = 1,202,469,200,137.11/1,263,016.84
  6. Step 6: Final answer
    x = 952,061.10

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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.