Home / 1,243,182.50-1,864,773.75-822,359.96

Finding the Fourth Proportional to 1,243,182.50, 1,864,773.75 and 822,359.96

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Solution

The fourth proportional to 1,243,182.50, 1,864,773.75 and 822,359.96 is: 1,233,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,182.50 : 1,864,773.75 = 822,359.96 : x
  2. Step 2: Convert to fraction form
    1,243,182.50/1,864,773.75 = 822,359.96/x
  3. Step 3: Cross multiply
    1,243,182.50x = 1,864,773.75 × 822,359.96
  4. Step 4: Simplify right side
    1,243,182.50x = 1,533,515,257,135.18
  5. Step 5: Solve for x
    x = 1,533,515,257,135.18/1,243,182.50
  6. Step 6: Final answer
    x = 1,233,539.94

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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.