Home / 1,066,612.92-1,471,948.88-636,812.88

Finding the Fourth Proportional to 1,066,612.92, 1,471,948.88 and 636,812.88

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Solution

The fourth proportional to 1,066,612.92, 1,471,948.88 and 636,812.88 is: 878,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,612.92 : 1,471,948.88 = 636,812.88 : x
  2. Step 2: Convert to fraction form
    1,066,612.92/1,471,948.88 = 636,812.88/x
  3. Step 3: Cross multiply
    1,066,612.92x = 1,471,948.88 × 636,812.88
  4. Step 4: Simplify right side
    1,066,612.92x = 937,356,005,485.57
  5. Step 5: Solve for x
    x = 937,356,005,485.57/1,066,612.92
  6. Step 6: Final answer
    x = 878,815.54

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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.