Home / 1,276,033.50-1,913,399.28-422,797.32

Finding the Fourth Proportional to 1,276,033.50, 1,913,399.28 and 422,797.32

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Solution

The fourth proportional to 1,276,033.50, 1,913,399.28 and 422,797.32 is: 633,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,033.50 : 1,913,399.28 = 422,797.32 : x
  2. Step 2: Convert to fraction form
    1,276,033.50/1,913,399.28 = 422,797.32/x
  3. Step 3: Cross multiply
    1,276,033.50x = 1,913,399.28 × 422,797.32
  4. Step 4: Simplify right side
    1,276,033.50x = 808,980,087,673.93
  5. Step 5: Solve for x
    x = 808,980,087,673.93/1,276,033.50
  6. Step 6: Final answer
    x = 633,980.29

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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.