Home / 1,025,288.80-1,537,933.20-726,107.20

Finding the Fourth Proportional to 1,025,288.80, 1,537,933.20 and 726,107.20

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Solution

The fourth proportional to 1,025,288.80, 1,537,933.20 and 726,107.20 is: 1,089,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,288.80 : 1,537,933.20 = 726,107.20 : x
  2. Step 2: Convert to fraction form
    1,025,288.80/1,537,933.20 = 726,107.20/x
  3. Step 3: Cross multiply
    1,025,288.80x = 1,537,933.20 × 726,107.20
  4. Step 4: Simplify right side
    1,025,288.80x = 1,116,704,369,639.04
  5. Step 5: Solve for x
    x = 1,116,704,369,639.04/1,025,288.80
  6. Step 6: Final answer
    x = 1,089,160.80

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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.