Home / 1,257,228.56-1,734,975.32-684,272.84

Finding the Fourth Proportional to 1,257,228.56, 1,734,975.32 and 684,272.84

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Solution

The fourth proportional to 1,257,228.56, 1,734,975.32 and 684,272.84 is: 944,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,228.56 : 1,734,975.32 = 684,272.84 : x
  2. Step 2: Convert to fraction form
    1,257,228.56/1,734,975.32 = 684,272.84/x
  3. Step 3: Cross multiply
    1,257,228.56x = 1,734,975.32 × 684,272.84
  4. Step 4: Simplify right side
    1,257,228.56x = 1,187,196,489,546.31
  5. Step 5: Solve for x
    x = 1,187,196,489,546.31/1,257,228.56
  6. Step 6: Final answer
    x = 944,296.47

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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.