Home / 1,300,390.32-1,794,608.34-727,396.32

Finding the Fourth Proportional to 1,300,390.32, 1,794,608.34 and 727,396.32

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Solution

The fourth proportional to 1,300,390.32, 1,794,608.34 and 727,396.32 is: 1,003,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,390.32 : 1,794,608.34 = 727,396.32 : x
  2. Step 2: Convert to fraction form
    1,300,390.32/1,794,608.34 = 727,396.32/x
  3. Step 3: Cross multiply
    1,300,390.32x = 1,794,608.34 × 727,396.32
  4. Step 4: Simplify right side
    1,300,390.32x = 1,305,391,502,357.31
  5. Step 5: Solve for x
    x = 1,305,391,502,357.31/1,300,390.32
  6. Step 6: Final answer
    x = 1,003,845.91

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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.