Home / 1,228,640.63-1,842,836.40-329,965.63

Finding the Fourth Proportional to 1,228,640.63, 1,842,836.40 and 329,965.63

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Solution

The fourth proportional to 1,228,640.63, 1,842,836.40 and 329,965.63 is: 494,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,640.63 : 1,842,836.40 = 329,965.63 : x
  2. Step 2: Convert to fraction form
    1,228,640.63/1,842,836.40 = 329,965.63/x
  3. Step 3: Cross multiply
    1,228,640.63x = 1,842,836.40 × 329,965.63
  4. Step 4: Simplify right side
    1,228,640.63x = 608,072,669,105.84
  5. Step 5: Solve for x
    x = 608,072,669,105.84/1,228,640.63
  6. Step 6: Final answer
    x = 494,915.00

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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.