Home / 1,717,286.70-2,576,221.65-918,351.30

Finding the Fourth Proportional to 1,717,286.70, 2,576,221.65 and 918,351.30

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Solution

The fourth proportional to 1,717,286.70, 2,576,221.65 and 918,351.30 is: 1,377,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,286.70 : 2,576,221.65 = 918,351.30 : x
  2. Step 2: Convert to fraction form
    1,717,286.70/2,576,221.65 = 918,351.30/x
  3. Step 3: Cross multiply
    1,717,286.70x = 2,576,221.65 × 918,351.30
  4. Step 4: Simplify right side
    1,717,286.70x = 2,365,876,501,365.65
  5. Step 5: Solve for x
    x = 2,365,876,501,365.65/1,717,286.70
  6. Step 6: Final answer
    x = 1,377,682.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.