Home / 1,136,974.72-1,704,562.44-426,923.68

Finding the Fourth Proportional to 1,136,974.72, 1,704,562.44 and 426,923.68

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Solution

The fourth proportional to 1,136,974.72, 1,704,562.44 and 426,923.68 is: 640,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,974.72 : 1,704,562.44 = 426,923.68 : x
  2. Step 2: Convert to fraction form
    1,136,974.72/1,704,562.44 = 426,923.68/x
  3. Step 3: Cross multiply
    1,136,974.72x = 1,704,562.44 × 426,923.68
  4. Step 4: Simplify right side
    1,136,974.72x = 727,718,069,674.58
  5. Step 5: Solve for x
    x = 727,718,069,674.58/1,136,974.72
  6. Step 6: Final answer
    x = 640,047.71

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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.