Home / 1,066,875.26-1,472,422.36-699,661.22

Finding the Fourth Proportional to 1,066,875.26, 1,472,422.36 and 699,661.22

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Solution

The fourth proportional to 1,066,875.26, 1,472,422.36 and 699,661.22 is: 965,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,875.26 : 1,472,422.36 = 699,661.22 : x
  2. Step 2: Convert to fraction form
    1,066,875.26/1,472,422.36 = 699,661.22/x
  3. Step 3: Cross multiply
    1,066,875.26x = 1,472,422.36 × 699,661.22
  4. Step 4: Simplify right side
    1,066,875.26x = 1,030,196,826,906.32
  5. Step 5: Solve for x
    x = 1,030,196,826,906.32/1,066,875.26
  6. Step 6: Final answer
    x = 965,620.69

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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.