Home / 1,690,673.70-2,333,219.13-926,759.46

Finding the Fourth Proportional to 1,690,673.70, 2,333,219.13 and 926,759.46

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Solution

The fourth proportional to 1,690,673.70, 2,333,219.13 and 926,759.46 is: 1,278,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,673.70 : 2,333,219.13 = 926,759.46 : x
  2. Step 2: Convert to fraction form
    1,690,673.70/2,333,219.13 = 926,759.46/x
  3. Step 3: Cross multiply
    1,690,673.70x = 2,333,219.13 × 926,759.46
  4. Step 4: Simplify right side
    1,690,673.70x = 2,162,332,900,980.47
  5. Step 5: Solve for x
    x = 2,162,332,900,980.47/1,690,673.70
  6. Step 6: Final answer
    x = 1,278,977.07

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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.