Home / 849,973.78-1,268,741.93-749,086.12

Finding the Fourth Proportional to 849,973.78, 1,268,741.93 and 749,086.12

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Solution

The fourth proportional to 849,973.78, 1,268,741.93 and 749,086.12 is: 1,118,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,973.78 : 1,268,741.93 = 749,086.12 : x
  2. Step 2: Convert to fraction form
    849,973.78/1,268,741.93 = 749,086.12/x
  3. Step 3: Cross multiply
    849,973.78x = 1,268,741.93 × 749,086.12
  4. Step 4: Simplify right side
    849,973.78x = 950,396,969,625.01
  5. Step 5: Solve for x
    x = 950,396,969,625.01/849,973.78
  6. Step 6: Final answer
    x = 1,118,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.