Home / 849,971.27-1,268,738.20-749,083.61

Finding the Fourth Proportional to 849,971.27, 1,268,738.20 and 749,083.61

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Solution

The fourth proportional to 849,971.27, 1,268,738.20 and 749,083.61 is: 1,118,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,971.27 : 1,268,738.20 = 749,083.61 : x
  2. Step 2: Convert to fraction form
    849,971.27/1,268,738.20 = 749,083.61/x
  3. Step 3: Cross multiply
    849,971.27x = 1,268,738.20 × 749,083.61
  4. Step 4: Simplify right side
    849,971.27x = 950,390,995,109.10
  5. Step 5: Solve for x
    x = 950,390,995,109.10/849,971.27
  6. Step 6: Final answer
    x = 1,118,144.84

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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.