Home / 1,036,120.97-1,555,067.15-405,477.65

Finding the Fourth Proportional to 1,036,120.97, 1,555,067.15 and 405,477.65

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Solution

The fourth proportional to 1,036,120.97, 1,555,067.15 and 405,477.65 is: 608,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,120.97 : 1,555,067.15 = 405,477.65 : x
  2. Step 2: Convert to fraction form
    1,036,120.97/1,555,067.15 = 405,477.65/x
  3. Step 3: Cross multiply
    1,036,120.97x = 1,555,067.15 × 405,477.65
  4. Step 4: Simplify right side
    1,036,120.97x = 630,544,963,771.47
  5. Step 5: Solve for x
    x = 630,544,963,771.47/1,036,120.97
  6. Step 6: Final answer
    x = 608,563.08

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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.