Home / 850,747.11-1,173,128.19-765,060.45

Finding the Fourth Proportional to 850,747.11, 1,173,128.19 and 765,060.45

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Solution

The fourth proportional to 850,747.11, 1,173,128.19 and 765,060.45 is: 1,054,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,747.11 : 1,173,128.19 = 765,060.45 : x
  2. Step 2: Convert to fraction form
    850,747.11/1,173,128.19 = 765,060.45/x
  3. Step 3: Cross multiply
    850,747.11x = 1,173,128.19 × 765,060.45
  4. Step 4: Simplify right side
    850,747.11x = 897,513,980,949.09
  5. Step 5: Solve for x
    x = 897,513,980,949.09/850,747.11
  6. Step 6: Final answer
    x = 1,054,971.53

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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.