Home / 1,343,409.87-1,853,887.30-762,627.94

Finding the Fourth Proportional to 1,343,409.87, 1,853,887.30 and 762,627.94

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Solution

The fourth proportional to 1,343,409.87, 1,853,887.30 and 762,627.94 is: 1,052,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,409.87 : 1,853,887.30 = 762,627.94 : x
  2. Step 2: Convert to fraction form
    1,343,409.87/1,853,887.30 = 762,627.94/x
  3. Step 3: Cross multiply
    1,343,409.87x = 1,853,887.30 × 762,627.94
  4. Step 4: Simplify right side
    1,343,409.87x = 1,413,826,252,591.16
  5. Step 5: Solve for x
    x = 1,413,826,252,591.16/1,343,409.87
  6. Step 6: Final answer
    x = 1,052,416.16

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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.