Home / 756,064.80-1,134,097.20-681,415.20

Finding the Fourth Proportional to 756,064.80, 1,134,097.20 and 681,415.20

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Solution

The fourth proportional to 756,064.80, 1,134,097.20 and 681,415.20 is: 1,022,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,064.80 : 1,134,097.20 = 681,415.20 : x
  2. Step 2: Convert to fraction form
    756,064.80/1,134,097.20 = 681,415.20/x
  3. Step 3: Cross multiply
    756,064.80x = 1,134,097.20 × 681,415.20
  4. Step 4: Simplify right side
    756,064.80x = 772,791,070,357.44
  5. Step 5: Solve for x
    x = 772,791,070,357.44/756,064.80
  6. Step 6: Final answer
    x = 1,022,122.80

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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.