Home / 1,254,409.26-1,731,099.51-681,458.46

Finding the Fourth Proportional to 1,254,409.26, 1,731,099.51 and 681,458.46

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Solution

The fourth proportional to 1,254,409.26, 1,731,099.51 and 681,458.46 is: 940,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,409.26 : 1,731,099.51 = 681,458.46 : x
  2. Step 2: Convert to fraction form
    1,254,409.26/1,731,099.51 = 681,458.46/x
  3. Step 3: Cross multiply
    1,254,409.26x = 1,731,099.51 × 681,458.46
  4. Step 4: Simplify right side
    1,254,409.26x = 1,179,672,406,191.35
  5. Step 5: Solve for x
    x = 1,179,672,406,191.35/1,254,409.26
  6. Step 6: Final answer
    x = 940,420.68

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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.