Home / 1,643,989.28-2,268,633.83-898,901.46

Finding the Fourth Proportional to 1,643,989.28, 2,268,633.83 and 898,901.46

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Solution

The fourth proportional to 1,643,989.28, 2,268,633.83 and 898,901.46 is: 1,240,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,989.28 : 2,268,633.83 = 898,901.46 : x
  2. Step 2: Convert to fraction form
    1,643,989.28/2,268,633.83 = 898,901.46/x
  3. Step 3: Cross multiply
    1,643,989.28x = 2,268,633.83 × 898,901.46
  4. Step 4: Simplify right side
    1,643,989.28x = 2,039,278,257,497.88
  5. Step 5: Solve for x
    x = 2,039,278,257,497.88/1,643,989.28
  6. Step 6: Final answer
    x = 1,240,444.99

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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.