Home / 1,129,326.30-1,693,629.81-370,991.75

Finding the Fourth Proportional to 1,129,326.30, 1,693,629.81 and 370,991.75

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Solution

The fourth proportional to 1,129,326.30, 1,693,629.81 and 370,991.75 is: 556,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,326.30 : 1,693,629.81 = 370,991.75 : x
  2. Step 2: Convert to fraction form
    1,129,326.30/1,693,629.81 = 370,991.75/x
  3. Step 3: Cross multiply
    1,129,326.30x = 1,693,629.81 × 370,991.75
  4. Step 4: Simplify right side
    1,129,326.30x = 628,322,678,595.92
  5. Step 5: Solve for x
    x = 628,322,678,595.92/1,129,326.30
  6. Step 6: Final answer
    x = 556,369.47

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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.