Home / 1,284,262.86-1,772,217.72-703,478.28

Finding the Fourth Proportional to 1,284,262.86, 1,772,217.72 and 703,478.28

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Solution

The fourth proportional to 1,284,262.86, 1,772,217.72 and 703,478.28 is: 970,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,262.86 : 1,772,217.72 = 703,478.28 : x
  2. Step 2: Convert to fraction form
    1,284,262.86/1,772,217.72 = 703,478.28/x
  3. Step 3: Cross multiply
    1,284,262.86x = 1,772,217.72 × 703,478.28
  4. Step 4: Simplify right side
    1,284,262.86x = 1,246,716,673,451.12
  5. Step 5: Solve for x
    x = 1,246,716,673,451.12/1,284,262.86
  6. Step 6: Final answer
    x = 970,764.41

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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.