Home / 1,077,971.25-1,618,078.40-793,982.47

Finding the Fourth Proportional to 1,077,971.25, 1,618,078.40 and 793,982.47

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Solution

The fourth proportional to 1,077,971.25, 1,618,078.40 and 793,982.47 is: 1,191,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,971.25 : 1,618,078.40 = 793,982.47 : x
  2. Step 2: Convert to fraction form
    1,077,971.25/1,618,078.40 = 793,982.47/x
  3. Step 3: Cross multiply
    1,077,971.25x = 1,618,078.40 × 793,982.47
  4. Step 4: Simplify right side
    1,077,971.25x = 1,284,725,884,685.65
  5. Step 5: Solve for x
    x = 1,284,725,884,685.65/1,077,971.25
  6. Step 6: Final answer
    x = 1,191,799.77

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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.