Home / 1,048,042.80-1,568,435.40-627,620.40

Finding the Fourth Proportional to 1,048,042.80, 1,568,435.40 and 627,620.40

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Solution

The fourth proportional to 1,048,042.80, 1,568,435.40 and 627,620.40 is: 939,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,042.80 : 1,568,435.40 = 627,620.40 : x
  2. Step 2: Convert to fraction form
    1,048,042.80/1,568,435.40 = 627,620.40/x
  3. Step 3: Cross multiply
    1,048,042.80x = 1,568,435.40 × 627,620.40
  4. Step 4: Simplify right side
    1,048,042.80x = 984,382,053,122.16
  5. Step 5: Solve for x
    x = 984,382,053,122.16/1,048,042.80
  6. Step 6: Final answer
    x = 939,257.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.