Home / 1,395,785.16-2,091,921.66-756,064.44

Finding the Fourth Proportional to 1,395,785.16, 2,091,921.66 and 756,064.44

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Solution

The fourth proportional to 1,395,785.16, 2,091,921.66 and 756,064.44 is: 1,133,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,785.16 : 2,091,921.66 = 756,064.44 : x
  2. Step 2: Convert to fraction form
    1,395,785.16/2,091,921.66 = 756,064.44/x
  3. Step 3: Cross multiply
    1,395,785.16x = 2,091,921.66 × 756,064.44
  4. Step 4: Simplify right side
    1,395,785.16x = 1,581,627,578,391.77
  5. Step 5: Solve for x
    x = 1,581,627,578,391.77/1,395,785.16
  6. Step 6: Final answer
    x = 1,133,145.43

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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.