Home / 827,998.60-1,241,997.90-788,632.60

Finding the Fourth Proportional to 827,998.60, 1,241,997.90 and 788,632.60

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Solution

The fourth proportional to 827,998.60, 1,241,997.90 and 788,632.60 is: 1,182,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,998.60 : 1,241,997.90 = 788,632.60 : x
  2. Step 2: Convert to fraction form
    827,998.60/1,241,997.90 = 788,632.60/x
  3. Step 3: Cross multiply
    827,998.60x = 1,241,997.90 × 788,632.60
  4. Step 4: Simplify right side
    827,998.60x = 979,480,033,071.54
  5. Step 5: Solve for x
    x = 979,480,033,071.54/827,998.60
  6. Step 6: Final answer
    x = 1,182,948.90

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1.5x scale

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.