Home / 1,125,872.72-1,553,709.32-616,578.64

Finding the Fourth Proportional to 1,125,872.72, 1,553,709.32 and 616,578.64

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Solution

The fourth proportional to 1,125,872.72, 1,553,709.32 and 616,578.64 is: 850,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,872.72 : 1,553,709.32 = 616,578.64 : x
  2. Step 2: Convert to fraction form
    1,125,872.72/1,553,709.32 = 616,578.64/x
  3. Step 3: Cross multiply
    1,125,872.72x = 1,553,709.32 × 616,578.64
  4. Step 4: Simplify right side
    1,125,872.72x = 957,983,979,480.93
  5. Step 5: Solve for x
    x = 957,983,979,480.93/1,125,872.72
  6. Step 6: Final answer
    x = 850,881.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.