Home / 1,673,120.44-2,308,940.33-909,223.21

Finding the Fourth Proportional to 1,673,120.44, 2,308,940.33 and 909,223.21

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Solution

The fourth proportional to 1,673,120.44, 2,308,940.33 and 909,223.21 is: 1,254,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,120.44 : 2,308,940.33 = 909,223.21 : x
  2. Step 2: Convert to fraction form
    1,673,120.44/2,308,940.33 = 909,223.21/x
  3. Step 3: Cross multiply
    1,673,120.44x = 2,308,940.33 × 909,223.21
  4. Step 4: Simplify right side
    1,673,120.44x = 2,099,342,138,541.06
  5. Step 5: Solve for x
    x = 2,099,342,138,541.06/1,673,120.44
  6. Step 6: Final answer
    x = 1,254,746.57

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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.