Home / 1,214,107.44-1,821,358.80-456,007.92

Finding the Fourth Proportional to 1,214,107.44, 1,821,358.80 and 456,007.92

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Solution

The fourth proportional to 1,214,107.44, 1,821,358.80 and 456,007.92 is: 684,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,107.44 : 1,821,358.80 = 456,007.92 : x
  2. Step 2: Convert to fraction form
    1,214,107.44/1,821,358.80 = 456,007.92/x
  3. Step 3: Cross multiply
    1,214,107.44x = 1,821,358.80 × 456,007.92
  4. Step 4: Simplify right side
    1,214,107.44x = 830,554,037,961.70
  5. Step 5: Solve for x
    x = 830,554,037,961.70/1,214,107.44
  6. Step 6: Final answer
    x = 684,086.11

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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.