Home / 1,327,679.28-1,831,922.64-776,288.88

Finding the Fourth Proportional to 1,327,679.28, 1,831,922.64 and 776,288.88

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Solution

The fourth proportional to 1,327,679.28, 1,831,922.64 and 776,288.88 is: 1,071,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,679.28 : 1,831,922.64 = 776,288.88 : x
  2. Step 2: Convert to fraction form
    1,327,679.28/1,831,922.64 = 776,288.88/x
  3. Step 3: Cross multiply
    1,327,679.28x = 1,831,922.64 × 776,288.88
  4. Step 4: Simplify right side
    1,327,679.28x = 1,422,101,174,452.24
  5. Step 5: Solve for x
    x = 1,422,101,174,452.24/1,327,679.28
  6. Step 6: Final answer
    x = 1,071,118.00

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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.