Home / 1,321,741.64-1,823,944.02-748,770.12

Finding the Fourth Proportional to 1,321,741.64, 1,823,944.02 and 748,770.12

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Solution

The fourth proportional to 1,321,741.64, 1,823,944.02 and 748,770.12 is: 1,033,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,741.64 : 1,823,944.02 = 748,770.12 : x
  2. Step 2: Convert to fraction form
    1,321,741.64/1,823,944.02 = 748,770.12/x
  3. Step 3: Cross multiply
    1,321,741.64x = 1,823,944.02 × 748,770.12
  4. Step 4: Simplify right side
    1,321,741.64x = 1,365,714,782,728.68
  5. Step 5: Solve for x
    x = 1,365,714,782,728.68/1,321,741.64
  6. Step 6: Final answer
    x = 1,033,269.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.