Home / 1,312,865-1,958,992.85-1,232,616.68

Finding the Fourth Proportional to 1,312,865, 1,958,992.85 and 1,232,616.68

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Solution

The fourth proportional to 1,312,865, 1,958,992.85 and 1,232,616.68 is: 1,839,250.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,865 : 1,958,992.85 = 1,232,616.68 : x
  2. Step 2: Convert to fraction form
    1,312,865/1,958,992.85 = 1,232,616.68/x
  3. Step 3: Cross multiply
    1,312,865x = 1,958,992.85 × 1,232,616.68
  4. Step 4: Simplify right side
    1,312,865x = 2,414,687,262,910.74
  5. Step 5: Solve for x
    x = 2,414,687,262,910.74/1,312,865
  6. Step 6: Final answer
    x = 1,839,250.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.