Home / 1,072,581.12-1,606,422.24-512,009.28

Finding the Fourth Proportional to 1,072,581.12, 1,606,422.24 and 512,009.28

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Solution

The fourth proportional to 1,072,581.12, 1,606,422.24 and 512,009.28 is: 766,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,581.12 : 1,606,422.24 = 512,009.28 : x
  2. Step 2: Convert to fraction form
    1,072,581.12/1,606,422.24 = 512,009.28/x
  3. Step 3: Cross multiply
    1,072,581.12x = 1,606,422.24 × 512,009.28
  4. Step 4: Simplify right side
    1,072,581.12x = 822,503,094,478.39
  5. Step 5: Solve for x
    x = 822,503,094,478.39/1,072,581.12
  6. Step 6: Final answer
    x = 766,844.65

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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.