Home / 891,055.70-1,333,631.10-820,196.90

Finding the Fourth Proportional to 891,055.70, 1,333,631.10 and 820,196.90

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Solution

The fourth proportional to 891,055.70, 1,333,631.10 and 820,196.90 is: 1,227,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,055.70 : 1,333,631.10 = 820,196.90 : x
  2. Step 2: Convert to fraction form
    891,055.70/1,333,631.10 = 820,196.90/x
  3. Step 3: Cross multiply
    891,055.70x = 1,333,631.10 × 820,196.90
  4. Step 4: Simplify right side
    891,055.70x = 1,093,840,093,963.59
  5. Step 5: Solve for x
    x = 1,093,840,093,963.59/891,055.70
  6. Step 6: Final answer
    x = 1,227,577.69

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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.