Home / 1,128,795.70-1,693,193.55-455,199.70

Finding the Fourth Proportional to 1,128,795.70, 1,693,193.55 and 455,199.70

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Solution

The fourth proportional to 1,128,795.70, 1,693,193.55 and 455,199.70 is: 682,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,795.70 : 1,693,193.55 = 455,199.70 : x
  2. Step 2: Convert to fraction form
    1,128,795.70/1,693,193.55 = 455,199.70/x
  3. Step 3: Cross multiply
    1,128,795.70x = 1,693,193.55 × 455,199.70
  4. Step 4: Simplify right side
    1,128,795.70x = 770,741,196,001.94
  5. Step 5: Solve for x
    x = 770,741,196,001.94/1,128,795.70
  6. Step 6: Final answer
    x = 682,799.55

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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.