Home / 1,403,777.38-1,937,139.21-791,912.10

Finding the Fourth Proportional to 1,403,777.38, 1,937,139.21 and 791,912.10

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Solution

The fourth proportional to 1,403,777.38, 1,937,139.21 and 791,912.10 is: 1,092,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,777.38 : 1,937,139.21 = 791,912.10 : x
  2. Step 2: Convert to fraction form
    1,403,777.38/1,937,139.21 = 791,912.10/x
  3. Step 3: Cross multiply
    1,403,777.38x = 1,937,139.21 × 791,912.10
  4. Step 4: Simplify right side
    1,403,777.38x = 1,534,043,979,783.44
  5. Step 5: Solve for x
    x = 1,534,043,979,783.44/1,403,777.38
  6. Step 6: Final answer
    x = 1,092,797.19

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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.