Home / 1,265,718.25-1,746,677.88-684,928.68

Finding the Fourth Proportional to 1,265,718.25, 1,746,677.88 and 684,928.68

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Solution

The fourth proportional to 1,265,718.25, 1,746,677.88 and 684,928.68 is: 945,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,718.25 : 1,746,677.88 = 684,928.68 : x
  2. Step 2: Convert to fraction form
    1,265,718.25/1,746,677.88 = 684,928.68/x
  3. Step 3: Cross multiply
    1,265,718.25x = 1,746,677.88 × 684,928.68
  4. Step 4: Simplify right side
    1,265,718.25x = 1,196,349,768,183.56
  5. Step 5: Solve for x
    x = 1,196,349,768,183.56/1,265,718.25
  6. Step 6: Final answer
    x = 945,194.37

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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.