Home / 1,395,783.66-2,091,919.41-756,062.94

Finding the Fourth Proportional to 1,395,783.66, 2,091,919.41 and 756,062.94

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Solution

The fourth proportional to 1,395,783.66, 2,091,919.41 and 756,062.94 is: 1,133,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,783.66 : 2,091,919.41 = 756,062.94 : x
  2. Step 2: Convert to fraction form
    1,395,783.66/2,091,919.41 = 756,062.94/x
  3. Step 3: Cross multiply
    1,395,783.66x = 2,091,919.41 × 756,062.94
  4. Step 4: Simplify right side
    1,395,783.66x = 1,581,622,739,367.67
  5. Step 5: Solve for x
    x = 1,581,622,739,367.67/1,395,783.66
  6. Step 6: Final answer
    x = 1,133,143.18

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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.