Home / 1,964,355.12-2,946,519.72-505,399.32

Finding the Fourth Proportional to 1,964,355.12, 2,946,519.72 and 505,399.32

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Solution

The fourth proportional to 1,964,355.12, 2,946,519.72 and 505,399.32 is: 758,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,355.12 : 2,946,519.72 = 505,399.32 : x
  2. Step 2: Convert to fraction form
    1,964,355.12/2,946,519.72 = 505,399.32/x
  3. Step 3: Cross multiply
    1,964,355.12x = 2,946,519.72 × 505,399.32
  4. Step 4: Simplify right side
    1,964,355.12x = 1,489,169,062,854.59
  5. Step 5: Solve for x
    x = 1,489,169,062,854.59/1,964,355.12
  6. Step 6: Final answer
    x = 758,095.65

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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.