Home / 1,226,422.80-1,839,928.32-384,974.64

Finding the Fourth Proportional to 1,226,422.80, 1,839,928.32 and 384,974.64

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Solution

The fourth proportional to 1,226,422.80, 1,839,928.32 and 384,974.64 is: 577,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,422.80 : 1,839,928.32 = 384,974.64 : x
  2. Step 2: Convert to fraction form
    1,226,422.80/1,839,928.32 = 384,974.64/x
  3. Step 3: Cross multiply
    1,226,422.80x = 1,839,928.32 × 384,974.64
  4. Step 4: Simplify right side
    1,226,422.80x = 708,325,742,617.81
  5. Step 5: Solve for x
    x = 708,325,742,617.81/1,226,422.80
  6. Step 6: Final answer
    x = 577,554.28

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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.