Home / 1,105,619.73-1,658,438.89-306,963.54

Finding the Fourth Proportional to 1,105,619.73, 1,658,438.89 and 306,963.54

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Solution

The fourth proportional to 1,105,619.73, 1,658,438.89 and 306,963.54 is: 460,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,619.73 : 1,658,438.89 = 306,963.54 : x
  2. Step 2: Convert to fraction form
    1,105,619.73/1,658,438.89 = 306,963.54/x
  3. Step 3: Cross multiply
    1,105,619.73x = 1,658,438.89 × 306,963.54
  4. Step 4: Simplify right side
    1,105,619.73x = 509,080,271,780.66
  5. Step 5: Solve for x
    x = 509,080,271,780.66/1,105,619.73
  6. Step 6: Final answer
    x = 460,447.89

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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.