Home / 1,100,513.10-1,650,769.65-628,121.10

Finding the Fourth Proportional to 1,100,513.10, 1,650,769.65 and 628,121.10

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Solution

The fourth proportional to 1,100,513.10, 1,650,769.65 and 628,121.10 is: 942,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,513.10 : 1,650,769.65 = 628,121.10 : x
  2. Step 2: Convert to fraction form
    1,100,513.10/1,650,769.65 = 628,121.10/x
  3. Step 3: Cross multiply
    1,100,513.10x = 1,650,769.65 × 628,121.10
  4. Step 4: Simplify right side
    1,100,513.10x = 1,036,883,248,404.61
  5. Step 5: Solve for x
    x = 1,036,883,248,404.61/1,100,513.10
  6. Step 6: Final answer
    x = 942,181.65

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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.