Home / 1,246,904.33-1,871,057.16-678,325.20

Finding the Fourth Proportional to 1,246,904.33, 1,871,057.16 and 678,325.20

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Solution

The fourth proportional to 1,246,904.33, 1,871,057.16 and 678,325.20 is: 1,017,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,904.33 : 1,871,057.16 = 678,325.20 : x
  2. Step 2: Convert to fraction form
    1,246,904.33/1,871,057.16 = 678,325.20/x
  3. Step 3: Cross multiply
    1,246,904.33x = 1,871,057.16 × 678,325.20
  4. Step 4: Simplify right side
    1,246,904.33x = 1,269,185,222,268.43
  5. Step 5: Solve for x
    x = 1,269,185,222,268.43/1,246,904.33
  6. Step 6: Final answer
    x = 1,017,868.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.