Home / 1,690,637.40-2,333,067.30-926,677.80

Finding the Fourth Proportional to 1,690,637.40, 2,333,067.30 and 926,677.80

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Solution

The fourth proportional to 1,690,637.40, 2,333,067.30 and 926,677.80 is: 1,278,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,637.40 : 2,333,067.30 = 926,677.80 : x
  2. Step 2: Convert to fraction form
    1,690,637.40/2,333,067.30 = 926,677.80/x
  3. Step 3: Cross multiply
    1,690,637.40x = 2,333,067.30 × 926,677.80
  4. Step 4: Simplify right side
    1,690,637.40x = 2,162,001,672,815.94
  5. Step 5: Solve for x
    x = 2,162,001,672,815.94/1,690,637.40
  6. Step 6: Final answer
    x = 1,278,808.62

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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.