Home / 1,168,211.91-1,612,153.43-685,125.48

Finding the Fourth Proportional to 1,168,211.91, 1,612,153.43 and 685,125.48

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Solution

The fourth proportional to 1,168,211.91, 1,612,153.43 and 685,125.48 is: 945,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,211.91 : 1,612,153.43 = 685,125.48 : x
  2. Step 2: Convert to fraction form
    1,168,211.91/1,612,153.43 = 685,125.48/x
  3. Step 3: Cross multiply
    1,168,211.91x = 1,612,153.43 × 685,125.48
  4. Step 4: Simplify right side
    1,168,211.91x = 1,104,527,391,403.61
  5. Step 5: Solve for x
    x = 1,104,527,391,403.61/1,168,211.91
  6. Step 6: Final answer
    x = 945,485.47

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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.