Home / 1,407,360-1,942,145.88-762,763.68

Finding the Fourth Proportional to 1,407,360, 1,942,145.88 and 762,763.68

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Solution

The fourth proportional to 1,407,360, 1,942,145.88 and 762,763.68 is: 1,052,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,360 : 1,942,145.88 = 762,763.68 : x
  2. Step 2: Convert to fraction form
    1,407,360/1,942,145.88 = 762,763.68/x
  3. Step 3: Cross multiply
    1,407,360x = 1,942,145.88 × 762,763.68
  4. Step 4: Simplify right side
    1,407,360x = 1,481,398,338,525.64
  5. Step 5: Solve for x
    x = 1,481,398,338,525.64/1,407,360
  6. Step 6: Final answer
    x = 1,052,607.96

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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.