Home / 1,918,666.85-2,876,481.99-720,455.72

Finding the Fourth Proportional to 1,918,666.85, 2,876,481.99 and 720,455.72

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Solution

The fourth proportional to 1,918,666.85, 2,876,481.99 and 720,455.72 is: 1,080,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,666.85 : 2,876,481.99 = 720,455.72 : x
  2. Step 2: Convert to fraction form
    1,918,666.85/2,876,481.99 = 720,455.72/x
  3. Step 3: Cross multiply
    1,918,666.85x = 2,876,481.99 × 720,455.72
  4. Step 4: Simplify right side
    1,918,666.85x = 2,072,377,888,790.07
  5. Step 5: Solve for x
    x = 2,072,377,888,790.07/1,918,666.85
  6. Step 6: Final answer
    x = 1,080,113.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.