Home / 1,146,123.36-1,581,618.96-636,812.64

Finding the Fourth Proportional to 1,146,123.36, 1,581,618.96 and 636,812.64

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Solution

The fourth proportional to 1,146,123.36, 1,581,618.96 and 636,812.64 is: 878,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,123.36 : 1,581,618.96 = 636,812.64 : x
  2. Step 2: Convert to fraction form
    1,146,123.36/1,581,618.96 = 636,812.64/x
  3. Step 3: Cross multiply
    1,146,123.36x = 1,581,618.96 × 636,812.64
  4. Step 4: Simplify right side
    1,146,123.36x = 1,007,194,945,391.65
  5. Step 5: Solve for x
    x = 1,007,194,945,391.65/1,146,123.36
  6. Step 6: Final answer
    x = 878,784.07

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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.