Home / 1,690,677.45-2,333,224.31-926,763.21

Finding the Fourth Proportional to 1,690,677.45, 2,333,224.31 and 926,763.21

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Solution

The fourth proportional to 1,690,677.45, 2,333,224.31 and 926,763.21 is: 1,278,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,677.45 : 2,333,224.31 = 926,763.21 : x
  2. Step 2: Convert to fraction form
    1,690,677.45/2,333,224.31 = 926,763.21/x
  3. Step 3: Cross multiply
    1,690,677.45x = 2,333,224.31 × 926,763.21
  4. Step 4: Simplify right side
    1,690,677.45x = 2,162,346,446,551.82
  5. Step 5: Solve for x
    x = 2,162,346,446,551.82/1,690,677.45
  6. Step 6: Final answer
    x = 1,278,982.25

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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.