Home / 1,425,634.88-1,969,971.36-1,356,535.36

Finding the Fourth Proportional to 1,425,634.88, 1,969,971.36 and 1,356,535.36

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Solution

The fourth proportional to 1,425,634.88, 1,969,971.36 and 1,356,535.36 is: 1,874,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,634.88 : 1,969,971.36 = 1,356,535.36 : x
  2. Step 2: Convert to fraction form
    1,425,634.88/1,969,971.36 = 1,356,535.36/x
  3. Step 3: Cross multiply
    1,425,634.88x = 1,969,971.36 × 1,356,535.36
  4. Step 4: Simplify right side
    1,425,634.88x = 2,672,335,808,027.29
  5. Step 5: Solve for x
    x = 2,672,335,808,027.29/1,425,634.88
  6. Step 6: Final answer
    x = 1,874,488.23

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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.