Home / 1,435,174.52-2,150,136.30-677,641.64

Finding the Fourth Proportional to 1,435,174.52, 2,150,136.30 and 677,641.64

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Solution

The fourth proportional to 1,435,174.52, 2,150,136.30 and 677,641.64 is: 1,015,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,174.52 : 2,150,136.30 = 677,641.64 : x
  2. Step 2: Convert to fraction form
    1,435,174.52/2,150,136.30 = 677,641.64/x
  3. Step 3: Cross multiply
    1,435,174.52x = 2,150,136.30 × 677,641.64
  4. Step 4: Simplify right side
    1,435,174.52x = 1,457,021,888,555.53
  5. Step 5: Solve for x
    x = 1,457,021,888,555.53/1,435,174.52
  6. Step 6: Final answer
    x = 1,015,222.80

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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.