Home / 1,261,423.44-1,740,498.36-802,371.12

Finding the Fourth Proportional to 1,261,423.44, 1,740,498.36 and 802,371.12

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Solution

The fourth proportional to 1,261,423.44, 1,740,498.36 and 802,371.12 is: 1,107,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,423.44 : 1,740,498.36 = 802,371.12 : x
  2. Step 2: Convert to fraction form
    1,261,423.44/1,740,498.36 = 802,371.12/x
  3. Step 3: Cross multiply
    1,261,423.44x = 1,740,498.36 × 802,371.12
  4. Step 4: Simplify right side
    1,261,423.44x = 1,396,525,618,471.36
  5. Step 5: Solve for x
    x = 1,396,525,618,471.36/1,261,423.44
  6. Step 6: Final answer
    x = 1,107,102.96

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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.