Home / 1,146,125.86-1,581,622.40-636,815.14

Finding the Fourth Proportional to 1,146,125.86, 1,581,622.40 and 636,815.14

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Solution

The fourth proportional to 1,146,125.86, 1,581,622.40 and 636,815.14 is: 878,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,125.86 : 1,581,622.40 = 636,815.14 : x
  2. Step 2: Convert to fraction form
    1,146,125.86/1,581,622.40 = 636,815.14/x
  3. Step 3: Cross multiply
    1,146,125.86x = 1,581,622.40 × 636,815.14
  4. Step 4: Simplify right side
    1,146,125.86x = 1,007,201,090,083.14
  5. Step 5: Solve for x
    x = 1,007,201,090,083.14/1,146,125.86
  6. Step 6: Final answer
    x = 878,787.51

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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.