Home / 1,687,971.06-2,532,178.89-550,333.62

Finding the Fourth Proportional to 1,687,971.06, 2,532,178.89 and 550,333.62

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Solution

The fourth proportional to 1,687,971.06, 2,532,178.89 and 550,333.62 is: 825,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,971.06 : 2,532,178.89 = 550,333.62 : x
  2. Step 2: Convert to fraction form
    1,687,971.06/2,532,178.89 = 550,333.62/x
  3. Step 3: Cross multiply
    1,687,971.06x = 2,532,178.89 × 550,333.62
  4. Step 4: Simplify right side
    1,687,971.06x = 1,393,543,175,021.28
  5. Step 5: Solve for x
    x = 1,393,543,175,021.28/1,687,971.06
  6. Step 6: Final answer
    x = 825,572.91

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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.