Home / 1,261,396.52-1,740,461.12-802,344

Finding the Fourth Proportional to 1,261,396.52, 1,740,461.12 and 802,344

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Solution

The fourth proportional to 1,261,396.52, 1,740,461.12 and 802,344 is: 1,107,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,396.52 : 1,740,461.12 = 802,344 : x
  2. Step 2: Convert to fraction form
    1,261,396.52/1,740,461.12 = 802,344/x
  3. Step 3: Cross multiply
    1,261,396.52x = 1,740,461.12 × 802,344
  4. Step 4: Simplify right side
    1,261,396.52x = 1,396,448,536,865.28
  5. Step 5: Solve for x
    x = 1,396,448,536,865.28/1,261,396.52
  6. Step 6: Final answer
    x = 1,107,065.47

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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.