Home / 1,270,959.32-1,906,438.16-372,400.52

Finding the Fourth Proportional to 1,270,959.32, 1,906,438.16 and 372,400.52

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Solution

The fourth proportional to 1,270,959.32, 1,906,438.16 and 372,400.52 is: 558,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,959.32 : 1,906,438.16 = 372,400.52 : x
  2. Step 2: Convert to fraction form
    1,270,959.32/1,906,438.16 = 372,400.52/x
  3. Step 3: Cross multiply
    1,270,959.32x = 1,906,438.16 × 372,400.52
  4. Step 4: Simplify right side
    1,270,959.32x = 709,958,562,131.84
  5. Step 5: Solve for x
    x = 709,958,562,131.84/1,270,959.32
  6. Step 6: Final answer
    x = 558,600.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.