Home / 862,665.80-1,293,998.70-788,016.20

Finding the Fourth Proportional to 862,665.80, 1,293,998.70 and 788,016.20

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Solution

The fourth proportional to 862,665.80, 1,293,998.70 and 788,016.20 is: 1,182,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,665.80 : 1,293,998.70 = 788,016.20 : x
  2. Step 2: Convert to fraction form
    862,665.80/1,293,998.70 = 788,016.20/x
  3. Step 3: Cross multiply
    862,665.80x = 1,293,998.70 × 788,016.20
  4. Step 4: Simplify right side
    862,665.80x = 1,019,691,938,378.94
  5. Step 5: Solve for x
    x = 1,019,691,938,378.94/862,665.80
  6. Step 6: Final answer
    x = 1,182,024.30

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Similar ratio
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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.