Home / 1,294,429.20-1,941,643.80-727,558.80

Finding the Fourth Proportional to 1,294,429.20, 1,941,643.80 and 727,558.80

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Solution

The fourth proportional to 1,294,429.20, 1,941,643.80 and 727,558.80 is: 1,091,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,429.20 : 1,941,643.80 = 727,558.80 : x
  2. Step 2: Convert to fraction form
    1,294,429.20/1,941,643.80 = 727,558.80/x
  3. Step 3: Cross multiply
    1,294,429.20x = 1,941,643.80 × 727,558.80
  4. Step 4: Simplify right side
    1,294,429.20x = 1,412,660,033,155.44
  5. Step 5: Solve for x
    x = 1,412,660,033,155.44/1,294,429.20
  6. Step 6: Final answer
    x = 1,091,338.20

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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.