Home / 1,780,575.80-2,670,863.70-658,412.60

Finding the Fourth Proportional to 1,780,575.80, 2,670,863.70 and 658,412.60

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Solution

The fourth proportional to 1,780,575.80, 2,670,863.70 and 658,412.60 is: 987,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,575.80 : 2,670,863.70 = 658,412.60 : x
  2. Step 2: Convert to fraction form
    1,780,575.80/2,670,863.70 = 658,412.60/x
  3. Step 3: Cross multiply
    1,780,575.80x = 2,670,863.70 × 658,412.60
  4. Step 4: Simplify right side
    1,780,575.80x = 1,758,530,312,962.62
  5. Step 5: Solve for x
    x = 1,758,530,312,962.62/1,780,575.80
  6. Step 6: Final answer
    x = 987,618.90

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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.