Home / 944,992.88-1,415,911.36-664,007.12

Finding the Fourth Proportional to 944,992.88, 1,415,911.36 and 664,007.12

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Solution

The fourth proportional to 944,992.88, 1,415,911.36 and 664,007.12 is: 994,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,992.88 : 1,415,911.36 = 664,007.12 : x
  2. Step 2: Convert to fraction form
    944,992.88/1,415,911.36 = 664,007.12/x
  3. Step 3: Cross multiply
    944,992.88x = 1,415,911.36 × 664,007.12
  4. Step 4: Simplify right side
    944,992.88x = 940,175,224,328.88
  5. Step 5: Solve for x
    x = 940,175,224,328.88/944,992.88
  6. Step 6: Final answer
    x = 994,901.91

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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.