Home / 1,673,331.54-2,309,215.53-909,385.26

Finding the Fourth Proportional to 1,673,331.54, 2,309,215.53 and 909,385.26

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Solution

The fourth proportional to 1,673,331.54, 2,309,215.53 and 909,385.26 is: 1,254,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,331.54 : 2,309,215.53 = 909,385.26 : x
  2. Step 2: Convert to fraction form
    1,673,331.54/2,309,215.53 = 909,385.26/x
  3. Step 3: Cross multiply
    1,673,331.54x = 2,309,215.53 × 909,385.26
  4. Step 4: Simplify right side
    1,673,331.54x = 2,099,966,565,145.09
  5. Step 5: Solve for x
    x = 2,099,966,565,145.09/1,673,331.54
  6. Step 6: Final answer
    x = 1,254,961.44

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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.