Home / 916,915.30-1,372,262.55-804,940.90

Finding the Fourth Proportional to 916,915.30, 1,372,262.55 and 804,940.90

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Solution

The fourth proportional to 916,915.30, 1,372,262.55 and 804,940.90 is: 1,204,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,915.30 : 1,372,262.55 = 804,940.90 : x
  2. Step 2: Convert to fraction form
    916,915.30/1,372,262.55 = 804,940.90/x
  3. Step 3: Cross multiply
    916,915.30x = 1,372,262.55 × 804,940.90
  4. Step 4: Simplify right side
    916,915.30x = 1,104,590,252,033.30
  5. Step 5: Solve for x
    x = 1,104,590,252,033.30/916,915.30
  6. Step 6: Final answer
    x = 1,204,680.79

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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.