Home / 1,422,016.46-1,962,303.27-777,308.30

Finding the Fourth Proportional to 1,422,016.46, 1,962,303.27 and 777,308.30

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Solution

The fourth proportional to 1,422,016.46, 1,962,303.27 and 777,308.30 is: 1,072,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,016.46 : 1,962,303.27 = 777,308.30 : x
  2. Step 2: Convert to fraction form
    1,422,016.46/1,962,303.27 = 777,308.30/x
  3. Step 3: Cross multiply
    1,422,016.46x = 1,962,303.27 × 777,308.30
  4. Step 4: Simplify right side
    1,422,016.46x = 1,525,314,618,888.14
  5. Step 5: Solve for x
    x = 1,525,314,618,888.14/1,422,016.46
  6. Step 6: Final answer
    x = 1,072,642.03

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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.