Home / 1,422,106.64-1,962,510.70-777,568.44

Finding the Fourth Proportional to 1,422,106.64, 1,962,510.70 and 777,568.44

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Solution

The fourth proportional to 1,422,106.64, 1,962,510.70 and 777,568.44 is: 1,073,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,106.64 : 1,962,510.70 = 777,568.44 : x
  2. Step 2: Convert to fraction form
    1,422,106.64/1,962,510.70 = 777,568.44/x
  3. Step 3: Cross multiply
    1,422,106.64x = 1,962,510.70 × 777,568.44
  4. Step 4: Simplify right side
    1,422,106.64x = 1,525,986,383,482.31
  5. Step 5: Solve for x
    x = 1,525,986,383,482.31/1,422,106.64
  6. Step 6: Final answer
    x = 1,073,046.38

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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.