Home / 1,072,997.20-1,609,711.80-314,837.20

Finding the Fourth Proportional to 1,072,997.20, 1,609,711.80 and 314,837.20

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Solution

The fourth proportional to 1,072,997.20, 1,609,711.80 and 314,837.20 is: 472,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,997.20 : 1,609,711.80 = 314,837.20 : x
  2. Step 2: Convert to fraction form
    1,072,997.20/1,609,711.80 = 314,837.20/x
  3. Step 3: Cross multiply
    1,072,997.20x = 1,609,711.80 × 314,837.20
  4. Step 4: Simplify right side
    1,072,997.20x = 506,797,155,918.96
  5. Step 5: Solve for x
    x = 506,797,155,918.96/1,072,997.20
  6. Step 6: Final answer
    x = 472,319.18

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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.