Home / 862,656.80-1,293,985.20-788,007.20

Finding the Fourth Proportional to 862,656.80, 1,293,985.20 and 788,007.20

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Solution

The fourth proportional to 862,656.80, 1,293,985.20 and 788,007.20 is: 1,182,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,656.80 : 1,293,985.20 = 788,007.20 : x
  2. Step 2: Convert to fraction form
    862,656.80/1,293,985.20 = 788,007.20/x
  3. Step 3: Cross multiply
    862,656.80x = 1,293,985.20 × 788,007.20
  4. Step 4: Simplify right side
    862,656.80x = 1,019,669,654,293.44
  5. Step 5: Solve for x
    x = 1,019,669,654,293.44/862,656.80
  6. Step 6: Final answer
    x = 1,182,010.80

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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.