Home / 827,124.40-1,240,686.60-795,631.60

Finding the Fourth Proportional to 827,124.40, 1,240,686.60 and 795,631.60

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Solution

The fourth proportional to 827,124.40, 1,240,686.60 and 795,631.60 is: 1,193,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,124.40 : 1,240,686.60 = 795,631.60 : x
  2. Step 2: Convert to fraction form
    827,124.40/1,240,686.60 = 795,631.60/x
  3. Step 3: Cross multiply
    827,124.40x = 1,240,686.60 × 795,631.60
  4. Step 4: Simplify right side
    827,124.40x = 987,129,464,656.56
  5. Step 5: Solve for x
    x = 987,129,464,656.56/827,124.40
  6. Step 6: Final answer
    x = 1,193,447.40

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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.