Home / 1,728,335.49-2,385,999.75-1,262,667.12

Finding the Fourth Proportional to 1,728,335.49, 2,385,999.75 and 1,262,667.12

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Solution

The fourth proportional to 1,728,335.49, 2,385,999.75 and 1,262,667.12 is: 1,743,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,335.49 : 2,385,999.75 = 1,262,667.12 : x
  2. Step 2: Convert to fraction form
    1,728,335.49/2,385,999.75 = 1,262,667.12/x
  3. Step 3: Cross multiply
    1,728,335.49x = 2,385,999.75 × 1,262,667.12
  4. Step 4: Simplify right side
    1,728,335.49x = 3,012,723,432,653.22
  5. Step 5: Solve for x
    x = 3,012,723,432,653.22/1,728,335.49
  6. Step 6: Final answer
    x = 1,743,135.78

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1.5x scale

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.