Home / 1,275,611.84-1,760,336.16-702,638.72

Finding the Fourth Proportional to 1,275,611.84, 1,760,336.16 and 702,638.72

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Solution

The fourth proportional to 1,275,611.84, 1,760,336.16 and 702,638.72 is: 969,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,611.84 : 1,760,336.16 = 702,638.72 : x
  2. Step 2: Convert to fraction form
    1,275,611.84/1,760,336.16 = 702,638.72/x
  3. Step 3: Cross multiply
    1,275,611.84x = 1,760,336.16 × 702,638.72
  4. Step 4: Simplify right side
    1,275,611.84x = 1,236,880,346,232.12
  5. Step 5: Solve for x
    x = 1,236,880,346,232.12/1,275,611.84
  6. Step 6: Final answer
    x = 969,636.93

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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.