Home / 1,148,920.62-1,585,479.48-639,623.04

Finding the Fourth Proportional to 1,148,920.62, 1,585,479.48 and 639,623.04

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Solution

The fourth proportional to 1,148,920.62, 1,585,479.48 and 639,623.04 is: 882,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,920.62 : 1,585,479.48 = 639,623.04 : x
  2. Step 2: Convert to fraction form
    1,148,920.62/1,585,479.48 = 639,623.04/x
  3. Step 3: Cross multiply
    1,148,920.62x = 1,585,479.48 × 639,623.04
  4. Step 4: Simplify right side
    1,148,920.62x = 1,014,109,204,855.22
  5. Step 5: Solve for x
    x = 1,014,109,204,855.22/1,148,920.62
  6. Step 6: Final answer
    x = 882,662.55

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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.