Home / 1,245,109.64-1,718,373.52-728,832.44

Finding the Fourth Proportional to 1,245,109.64, 1,718,373.52 and 728,832.44

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Solution

The fourth proportional to 1,245,109.64, 1,718,373.52 and 728,832.44 is: 1,005,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,109.64 : 1,718,373.52 = 728,832.44 : x
  2. Step 2: Convert to fraction form
    1,245,109.64/1,718,373.52 = 728,832.44/x
  3. Step 3: Cross multiply
    1,245,109.64x = 1,718,373.52 × 728,832.44
  4. Step 4: Simplify right side
    1,245,109.64x = 1,252,406,370,619.96
  5. Step 5: Solve for x
    x = 1,252,406,370,619.96/1,245,109.64
  6. Step 6: Final answer
    x = 1,005,860.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.