Home / 1,124,979.71-1,552,502.97-641,623.55

Finding the Fourth Proportional to 1,124,979.71, 1,552,502.97 and 641,623.55

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Solution

The fourth proportional to 1,124,979.71, 1,552,502.97 and 641,623.55 is: 885,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,979.71 : 1,552,502.97 = 641,623.55 : x
  2. Step 2: Convert to fraction form
    1,124,979.71/1,552,502.97 = 641,623.55/x
  3. Step 3: Cross multiply
    1,124,979.71x = 1,552,502.97 × 641,623.55
  4. Step 4: Simplify right side
    1,124,979.71x = 996,122,459,234.43
  5. Step 5: Solve for x
    x = 996,122,459,234.43/1,124,979.71
  6. Step 6: Final answer
    x = 885,458.16

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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.