Home / 1,146,118.86-1,581,612.75-636,808.14

Finding the Fourth Proportional to 1,146,118.86, 1,581,612.75 and 636,808.14

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Solution

The fourth proportional to 1,146,118.86, 1,581,612.75 and 636,808.14 is: 878,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,118.86 : 1,581,612.75 = 636,808.14 : x
  2. Step 2: Convert to fraction form
    1,146,118.86/1,581,612.75 = 636,808.14/x
  3. Step 3: Cross multiply
    1,146,118.86x = 1,581,612.75 × 636,808.14
  4. Step 4: Simplify right side
    1,146,118.86x = 1,007,183,873,527.79
  5. Step 5: Solve for x
    x = 1,007,183,873,527.79/1,146,118.86
  6. Step 6: Final answer
    x = 878,777.86

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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.