Home / 1,207,790.46-1,666,771.56-663,949.17

Finding the Fourth Proportional to 1,207,790.46, 1,666,771.56 and 663,949.17

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Solution

The fourth proportional to 1,207,790.46, 1,666,771.56 and 663,949.17 is: 916,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,790.46 : 1,666,771.56 = 663,949.17 : x
  2. Step 2: Convert to fraction form
    1,207,790.46/1,666,771.56 = 663,949.17/x
  3. Step 3: Cross multiply
    1,207,790.46x = 1,666,771.56 × 663,949.17
  4. Step 4: Simplify right side
    1,207,790.46x = 1,106,651,593,841.61
  5. Step 5: Solve for x
    x = 1,106,651,593,841.61/1,207,790.46
  6. Step 6: Final answer
    x = 916,261.25

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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.