Home / 1,025,668.79-1,538,522.98-315,696.09

Finding the Fourth Proportional to 1,025,668.79, 1,538,522.98 and 315,696.09

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Solution

The fourth proportional to 1,025,668.79, 1,538,522.98 and 315,696.09 is: 473,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,668.79 : 1,538,522.98 = 315,696.09 : x
  2. Step 2: Convert to fraction form
    1,025,668.79/1,538,522.98 = 315,696.09/x
  3. Step 3: Cross multiply
    1,025,668.79x = 1,538,522.98 × 315,696.09
  4. Step 4: Simplify right side
    1,025,668.79x = 485,705,694,141.37
  5. Step 5: Solve for x
    x = 485,705,694,141.37/1,025,668.79
  6. Step 6: Final answer
    x = 473,550.23

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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.