Home / 1,207,787.46-1,666,767.42-663,946.17

Finding the Fourth Proportional to 1,207,787.46, 1,666,767.42 and 663,946.17

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Solution

The fourth proportional to 1,207,787.46, 1,666,767.42 and 663,946.17 is: 916,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,787.46 : 1,666,767.42 = 663,946.17 : x
  2. Step 2: Convert to fraction form
    1,207,787.46/1,666,767.42 = 663,946.17/x
  3. Step 3: Cross multiply
    1,207,787.46x = 1,666,767.42 × 663,946.17
  4. Step 4: Simplify right side
    1,207,787.46x = 1,106,643,844,789.78
  5. Step 5: Solve for x
    x = 1,106,643,844,789.78/1,207,787.46
  6. Step 6: Final answer
    x = 916,257.11

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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.