Home / 1,958,160.42-2,936,575.47-678,469.25

Finding the Fourth Proportional to 1,958,160.42, 2,936,575.47 and 678,469.25

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Solution

The fourth proportional to 1,958,160.42, 2,936,575.47 and 678,469.25 is: 1,017,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,160.42 : 2,936,575.47 = 678,469.25 : x
  2. Step 2: Convert to fraction form
    1,958,160.42/2,936,575.47 = 678,469.25/x
  3. Step 3: Cross multiply
    1,958,160.42x = 2,936,575.47 × 678,469.25
  4. Step 4: Simplify right side
    1,958,160.42x = 1,992,376,156,699.30
  5. Step 5: Solve for x
    x = 1,992,376,156,699.30/1,958,160.42
  6. Step 6: Final answer
    x = 1,017,473.41

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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.