Home / 1,690,830.66-2,333,507.76-965,786.70

Finding the Fourth Proportional to 1,690,830.66, 2,333,507.76 and 965,786.70

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Solution

The fourth proportional to 1,690,830.66, 2,333,507.76 and 965,786.70 is: 1,332,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,830.66 : 2,333,507.76 = 965,786.70 : x
  2. Step 2: Convert to fraction form
    1,690,830.66/2,333,507.76 = 965,786.70/x
  3. Step 3: Cross multiply
    1,690,830.66x = 2,333,507.76 × 965,786.70
  4. Step 4: Simplify right side
    1,690,830.66x = 2,253,670,758,954.79
  5. Step 5: Solve for x
    x = 2,253,670,758,954.79/1,690,830.66
  6. Step 6: Final answer
    x = 1,332,877.86

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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.