Home / 1,125,873.72-1,553,710.70-616,579.64

Finding the Fourth Proportional to 1,125,873.72, 1,553,710.70 and 616,579.64

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Solution

The fourth proportional to 1,125,873.72, 1,553,710.70 and 616,579.64 is: 850,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,873.72 : 1,553,710.70 = 616,579.64 : x
  2. Step 2: Convert to fraction form
    1,125,873.72/1,553,710.70 = 616,579.64/x
  3. Step 3: Cross multiply
    1,125,873.72x = 1,553,710.70 × 616,579.64
  4. Step 4: Simplify right side
    1,125,873.72x = 957,986,384,070.15
  5. Step 5: Solve for x
    x = 957,986,384,070.15/1,125,873.72
  6. Step 6: Final answer
    x = 850,882.62

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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.