Home / 852,091.88-1,180,857.71-840,065

Finding the Fourth Proportional to 852,091.88, 1,180,857.71 and 840,065

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Solution

The fourth proportional to 852,091.88, 1,180,857.71 and 840,065 is: 1,164,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,091.88 : 1,180,857.71 = 840,065 : x
  2. Step 2: Convert to fraction form
    852,091.88/1,180,857.71 = 840,065/x
  3. Step 3: Cross multiply
    852,091.88x = 1,180,857.71 × 840,065
  4. Step 4: Simplify right side
    852,091.88x = 991,997,232,151.15
  5. Step 5: Solve for x
    x = 991,997,232,151.15/852,091.88
  6. Step 6: Final answer
    x = 1,164,190.45

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.