Home / 1,312,168.23-1,810,810.41-731,375.28

Finding the Fourth Proportional to 1,312,168.23, 1,810,810.41 and 731,375.28

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Solution

The fourth proportional to 1,312,168.23, 1,810,810.41 and 731,375.28 is: 1,009,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,168.23 : 1,810,810.41 = 731,375.28 : x
  2. Step 2: Convert to fraction form
    1,312,168.23/1,810,810.41 = 731,375.28/x
  3. Step 3: Cross multiply
    1,312,168.23x = 1,810,810.41 × 731,375.28
  4. Step 4: Simplify right side
    1,312,168.23x = 1,324,381,970,640.66
  5. Step 5: Solve for x
    x = 1,324,381,970,640.66/1,312,168.23
  6. Step 6: Final answer
    x = 1,009,308.06

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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.