Home / 1,673,386.72-2,309,272.62-909,440.44

Finding the Fourth Proportional to 1,673,386.72, 2,309,272.62 and 909,440.44

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Solution

The fourth proportional to 1,673,386.72, 2,309,272.62 and 909,440.44 is: 1,255,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,386.72 : 2,309,272.62 = 909,440.44 : x
  2. Step 2: Convert to fraction form
    1,673,386.72/2,309,272.62 = 909,440.44/x
  3. Step 3: Cross multiply
    1,673,386.72x = 2,309,272.62 × 909,440.44
  4. Step 4: Simplify right side
    1,673,386.72x = 2,100,145,907,612.75
  5. Step 5: Solve for x
    x = 2,100,145,907,612.75/1,673,386.72
  6. Step 6: Final answer
    x = 1,255,027.23

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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.