Home / 1,586,842.74-2,379,758.67-521,639.28

Finding the Fourth Proportional to 1,586,842.74, 2,379,758.67 and 521,639.28

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Solution

The fourth proportional to 1,586,842.74, 2,379,758.67 and 521,639.28 is: 782,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,842.74 : 2,379,758.67 = 521,639.28 : x
  2. Step 2: Convert to fraction form
    1,586,842.74/2,379,758.67 = 521,639.28/x
  3. Step 3: Cross multiply
    1,586,842.74x = 2,379,758.67 × 521,639.28
  4. Step 4: Simplify right side
    1,586,842.74x = 1,241,375,599,192.56
  5. Step 5: Solve for x
    x = 1,241,375,599,192.56/1,586,842.74
  6. Step 6: Final answer
    x = 782,292.77

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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.