Home / 1,343,361.92-1,853,240.30-907,639.02

Finding the Fourth Proportional to 1,343,361.92, 1,853,240.30 and 907,639.02

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Solution

The fourth proportional to 1,343,361.92, 1,853,240.30 and 907,639.02 is: 1,252,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,361.92 : 1,853,240.30 = 907,639.02 : x
  2. Step 2: Convert to fraction form
    1,343,361.92/1,853,240.30 = 907,639.02/x
  3. Step 3: Cross multiply
    1,343,361.92x = 1,853,240.30 × 907,639.02
  4. Step 4: Simplify right side
    1,343,361.92x = 1,682,073,209,716.51
  5. Step 5: Solve for x
    x = 1,682,073,209,716.51/1,343,361.92
  6. Step 6: Final answer
    x = 1,252,137.03

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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.