Home / 1,557,175.86-2,148,535.94-945,313.20

Finding the Fourth Proportional to 1,557,175.86, 2,148,535.94 and 945,313.20

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Solution

The fourth proportional to 1,557,175.86, 2,148,535.94 and 945,313.20 is: 1,304,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,175.86 : 2,148,535.94 = 945,313.20 : x
  2. Step 2: Convert to fraction form
    1,557,175.86/2,148,535.94 = 945,313.20/x
  3. Step 3: Cross multiply
    1,557,175.86x = 2,148,535.94 × 945,313.20
  4. Step 4: Simplify right side
    1,557,175.86x = 2,031,039,380,029.84
  5. Step 5: Solve for x
    x = 2,031,039,380,029.84/1,557,175.86
  6. Step 6: Final answer
    x = 1,304,309.57

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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.