Home / 1,673,403.36-2,309,311.92-909,458.88

Finding the Fourth Proportional to 1,673,403.36, 2,309,311.92 and 909,458.88

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Solution

The fourth proportional to 1,673,403.36, 2,309,311.92 and 909,458.88 is: 1,255,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,403.36 : 2,309,311.92 = 909,458.88 : x
  2. Step 2: Convert to fraction form
    1,673,403.36/2,309,311.92 = 909,458.88/x
  3. Step 3: Cross multiply
    1,673,403.36x = 2,309,311.92 × 909,458.88
  4. Step 4: Simplify right side
    1,673,403.36x = 2,100,224,232,333.85
  5. Step 5: Solve for x
    x = 2,100,224,232,333.85/1,673,403.36
  6. Step 6: Final answer
    x = 1,255,061.56

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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.