Home / 1,422,106.28-1,962,525.28-777,527.22

Finding the Fourth Proportional to 1,422,106.28, 1,962,525.28 and 777,527.22

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Solution

The fourth proportional to 1,422,106.28, 1,962,525.28 and 777,527.22 is: 1,072,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,106.28 : 1,962,525.28 = 777,527.22 : x
  2. Step 2: Convert to fraction form
    1,422,106.28/1,962,525.28 = 777,527.22/x
  3. Step 3: Cross multiply
    1,422,106.28x = 1,962,525.28 × 777,527.22
  4. Step 4: Simplify right side
    1,422,106.28x = 1,525,916,825,138.12
  5. Step 5: Solve for x
    x = 1,525,916,825,138.12/1,422,106.28
  6. Step 6: Final answer
    x = 1,072,997.74

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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.