Home / 1,425,411.15-1,967,067.75-780,854.25

Finding the Fourth Proportional to 1,425,411.15, 1,967,067.75 and 780,854.25

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Solution

The fourth proportional to 1,425,411.15, 1,967,067.75 and 780,854.25 is: 1,077,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,411.15 : 1,967,067.75 = 780,854.25 : x
  2. Step 2: Convert to fraction form
    1,425,411.15/1,967,067.75 = 780,854.25/x
  3. Step 3: Cross multiply
    1,425,411.15x = 1,967,067.75 × 780,854.25
  4. Step 4: Simplify right side
    1,425,411.15x = 1,535,993,212,625.44
  5. Step 5: Solve for x
    x = 1,535,993,212,625.44/1,425,411.15
  6. Step 6: Final answer
    x = 1,077,579.06

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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.