Home / 1,261,829.61-1,741,424.22-717,988.32

Finding the Fourth Proportional to 1,261,829.61, 1,741,424.22 and 717,988.32

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Solution

The fourth proportional to 1,261,829.61, 1,741,424.22 and 717,988.32 is: 990,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,829.61 : 1,741,424.22 = 717,988.32 : x
  2. Step 2: Convert to fraction form
    1,261,829.61/1,741,424.22 = 717,988.32/x
  3. Step 3: Cross multiply
    1,261,829.61x = 1,741,424.22 × 717,988.32
  4. Step 4: Simplify right side
    1,261,829.61x = 1,250,322,250,125.11
  5. Step 5: Solve for x
    x = 1,250,322,250,125.11/1,261,829.61
  6. Step 6: Final answer
    x = 990,880.42

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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.