Home / 1,551,785.25-2,141,142.57-907,080.69

Finding the Fourth Proportional to 1,551,785.25, 2,141,142.57 and 907,080.69

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Solution

The fourth proportional to 1,551,785.25, 2,141,142.57 and 907,080.69 is: 1,251,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,785.25 : 2,141,142.57 = 907,080.69 : x
  2. Step 2: Convert to fraction form
    1,551,785.25/2,141,142.57 = 907,080.69/x
  3. Step 3: Cross multiply
    1,551,785.25x = 2,141,142.57 × 907,080.69
  4. Step 4: Simplify right side
    1,551,785.25x = 1,942,189,079,783.97
  5. Step 5: Solve for x
    x = 1,942,189,079,783.97/1,551,785.25
  6. Step 6: Final answer
    x = 1,251,583.67

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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.