Home / 1,136,973.72-1,704,560.94-426,922.68

Finding the Fourth Proportional to 1,136,973.72, 1,704,560.94 and 426,922.68

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Solution

The fourth proportional to 1,136,973.72, 1,704,560.94 and 426,922.68 is: 640,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,973.72 : 1,704,560.94 = 426,922.68 : x
  2. Step 2: Convert to fraction form
    1,136,973.72/1,704,560.94 = 426,922.68/x
  3. Step 3: Cross multiply
    1,136,973.72x = 1,704,560.94 × 426,922.68
  4. Step 4: Simplify right side
    1,136,973.72x = 727,715,724,728.12
  5. Step 5: Solve for x
    x = 727,715,724,728.12/1,136,973.72
  6. Step 6: Final answer
    x = 640,046.21

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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.