Home / 1,107,930.30-1,663,207.65-628,539.90

Finding the Fourth Proportional to 1,107,930.30, 1,663,207.65 and 628,539.90

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Solution

The fourth proportional to 1,107,930.30, 1,663,207.65 and 628,539.90 is: 943,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,930.30 : 1,663,207.65 = 628,539.90 : x
  2. Step 2: Convert to fraction form
    1,107,930.30/1,663,207.65 = 628,539.90/x
  3. Step 3: Cross multiply
    1,107,930.30x = 1,663,207.65 × 628,539.90
  4. Step 4: Simplify right side
    1,107,930.30x = 1,045,392,370,010.24
  5. Step 5: Solve for x
    x = 1,045,392,370,010.24/1,107,930.30
  6. Step 6: Final answer
    x = 943,554.27

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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.