Home / 1,356,157.56-1,871,032.86-774,963.12

Finding the Fourth Proportional to 1,356,157.56, 1,871,032.86 and 774,963.12

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Solution

The fourth proportional to 1,356,157.56, 1,871,032.86 and 774,963.12 is: 1,069,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,157.56 : 1,871,032.86 = 774,963.12 : x
  2. Step 2: Convert to fraction form
    1,356,157.56/1,871,032.86 = 774,963.12/x
  3. Step 3: Cross multiply
    1,356,157.56x = 1,871,032.86 × 774,963.12
  4. Step 4: Simplify right side
    1,356,157.56x = 1,449,981,462,808.12
  5. Step 5: Solve for x
    x = 1,449,981,462,808.12/1,356,157.56
  6. Step 6: Final answer
    x = 1,069,183.63

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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.