Home / 938,543.06-1,395,741.13-908,649.20

Finding the Fourth Proportional to 938,543.06, 1,395,741.13 and 908,649.20

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Solution

The fourth proportional to 938,543.06, 1,395,741.13 and 908,649.20 is: 1,351,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,543.06 : 1,395,741.13 = 908,649.20 : x
  2. Step 2: Convert to fraction form
    938,543.06/1,395,741.13 = 908,649.20/x
  3. Step 3: Cross multiply
    938,543.06x = 1,395,741.13 × 908,649.20
  4. Step 4: Simplify right side
    938,543.06x = 1,268,239,062,399.33
  5. Step 5: Solve for x
    x = 1,268,239,062,399.33/938,543.06
  6. Step 6: Final answer
    x = 1,351,284.89

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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.