Home / 1,265,668.92-1,746,277.10-721,606.32

Finding the Fourth Proportional to 1,265,668.92, 1,746,277.10 and 721,606.32

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Solution

The fourth proportional to 1,265,668.92, 1,746,277.10 and 721,606.32 is: 995,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,668.92 : 1,746,277.10 = 721,606.32 : x
  2. Step 2: Convert to fraction form
    1,265,668.92/1,746,277.10 = 721,606.32/x
  3. Step 3: Cross multiply
    1,265,668.92x = 1,746,277.10 × 721,606.32
  4. Step 4: Simplify right side
    1,265,668.92x = 1,260,124,591,831.27
  5. Step 5: Solve for x
    x = 1,260,124,591,831.27/1,265,668.92
  6. Step 6: Final answer
    x = 995,619.45

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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.