Home / 981,438.80-1,476,094.80-879,087.20

Finding the Fourth Proportional to 981,438.80, 1,476,094.80 and 879,087.20

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Solution

The fourth proportional to 981,438.80, 1,476,094.80 and 879,087.20 is: 1,322,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,438.80 : 1,476,094.80 = 879,087.20 : x
  2. Step 2: Convert to fraction form
    981,438.80/1,476,094.80 = 879,087.20/x
  3. Step 3: Cross multiply
    981,438.80x = 1,476,094.80 × 879,087.20
  4. Step 4: Simplify right side
    981,438.80x = 1,297,616,044,666.56
  5. Step 5: Solve for x
    x = 1,297,616,044,666.56/981,438.80
  6. Step 6: Final answer
    x = 1,322,156.86

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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.