Home / 1,146,123.86-1,581,619.64-636,813.14

Finding the Fourth Proportional to 1,146,123.86, 1,581,619.64 and 636,813.14

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Solution

The fourth proportional to 1,146,123.86, 1,581,619.64 and 636,813.14 is: 878,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,123.86 : 1,581,619.64 = 636,813.14 : x
  2. Step 2: Convert to fraction form
    1,146,123.86/1,581,619.64 = 636,813.14/x
  3. Step 3: Cross multiply
    1,146,123.86x = 1,581,619.64 × 636,813.14
  4. Step 4: Simplify right side
    1,146,123.86x = 1,007,196,169,234.07
  5. Step 5: Solve for x
    x = 1,007,196,169,234.07/1,146,123.86
  6. Step 6: Final answer
    x = 878,784.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.