Home / 1,072,192.06-1,604,268.24-638,322.54

Finding the Fourth Proportional to 1,072,192.06, 1,604,268.24 and 638,322.54

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Solution

The fourth proportional to 1,072,192.06, 1,604,268.24 and 638,322.54 is: 955,090.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,192.06 : 1,604,268.24 = 638,322.54 : x
  2. Step 2: Convert to fraction form
    1,072,192.06/1,604,268.24 = 638,322.54/x
  3. Step 3: Cross multiply
    1,072,192.06x = 1,604,268.24 × 638,322.54
  4. Step 4: Simplify right side
    1,072,192.06x = 1,024,040,577,798.13
  5. Step 5: Solve for x
    x = 1,024,040,577,798.13/1,072,192.06
  6. Step 6: Final answer
    x = 955,090.62

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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.