Home / 1,332,651.80-1,839,102.96-729,039.80

Finding the Fourth Proportional to 1,332,651.80, 1,839,102.96 and 729,039.80

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Solution

The fourth proportional to 1,332,651.80, 1,839,102.96 and 729,039.80 is: 1,006,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,651.80 : 1,839,102.96 = 729,039.80 : x
  2. Step 2: Convert to fraction form
    1,332,651.80/1,839,102.96 = 729,039.80/x
  3. Step 3: Cross multiply
    1,332,651.80x = 1,839,102.96 × 729,039.80
  4. Step 4: Simplify right side
    1,332,651.80x = 1,340,779,254,137.81
  5. Step 5: Solve for x
    x = 1,340,779,254,137.81/1,332,651.80
  6. Step 6: Final answer
    x = 1,006,098.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.