Home / 1,077,979.29-1,618,090.46-793,990.50

Finding the Fourth Proportional to 1,077,979.29, 1,618,090.46 and 793,990.50

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Solution

The fourth proportional to 1,077,979.29, 1,618,090.46 and 793,990.50 is: 1,191,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,979.29 : 1,618,090.46 = 793,990.50 : x
  2. Step 2: Convert to fraction form
    1,077,979.29/1,618,090.46 = 793,990.50/x
  3. Step 3: Cross multiply
    1,077,979.29x = 1,618,090.46 × 793,990.50
  4. Step 4: Simplify right side
    1,077,979.29x = 1,284,748,449,410.68
  5. Step 5: Solve for x
    x = 1,284,748,449,410.68/1,077,979.29
  6. Step 6: Final answer
    x = 1,191,811.81

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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.