Home / 1,091,704.32-1,637,852.94-618,721.83

Finding the Fourth Proportional to 1,091,704.32, 1,637,852.94 and 618,721.83

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Solution

The fourth proportional to 1,091,704.32, 1,637,852.94 and 618,721.83 is: 928,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,704.32 : 1,637,852.94 = 618,721.83 : x
  2. Step 2: Convert to fraction form
    1,091,704.32/1,637,852.94 = 618,721.83/x
  3. Step 3: Cross multiply
    1,091,704.32x = 1,637,852.94 × 618,721.83
  4. Step 4: Simplify right side
    1,091,704.32x = 1,013,375,368,307.68
  5. Step 5: Solve for x
    x = 1,013,375,368,307.68/1,091,704.32
  6. Step 6: Final answer
    x = 928,250.76

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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.