Home / 1,003,719.12-1,505,378.08-372,485.28

Finding the Fourth Proportional to 1,003,719.12, 1,505,378.08 and 372,485.28

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Solution

The fourth proportional to 1,003,719.12, 1,505,378.08 and 372,485.28 is: 558,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,719.12 : 1,505,378.08 = 372,485.28 : x
  2. Step 2: Convert to fraction form
    1,003,719.12/1,505,378.08 = 372,485.28/x
  3. Step 3: Cross multiply
    1,003,719.12x = 1,505,378.08 × 372,485.28
  4. Step 4: Simplify right side
    1,003,719.12x = 560,731,175,634.66
  5. Step 5: Solve for x
    x = 560,731,175,634.66/1,003,719.12
  6. Step 6: Final answer
    x = 558,653.48

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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.