Home / 1,077,972.90-1,618,080.87-793,984.12

Finding the Fourth Proportional to 1,077,972.90, 1,618,080.87 and 793,984.12

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Solution

The fourth proportional to 1,077,972.90, 1,618,080.87 and 793,984.12 is: 1,191,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,972.90 : 1,618,080.87 = 793,984.12 : x
  2. Step 2: Convert to fraction form
    1,077,972.90/1,618,080.87 = 793,984.12/x
  3. Step 3: Cross multiply
    1,077,972.90x = 1,618,080.87 × 793,984.12
  4. Step 4: Simplify right side
    1,077,972.90x = 1,284,730,511,610.58
  5. Step 5: Solve for x
    x = 1,284,730,511,610.58/1,077,972.90
  6. Step 6: Final answer
    x = 1,191,802.24

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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.