Home / 1,407,287.61-1,942,063.59-762,707.64

Finding the Fourth Proportional to 1,407,287.61, 1,942,063.59 and 762,707.64

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Solution

The fourth proportional to 1,407,287.61, 1,942,063.59 and 762,707.64 is: 1,052,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,287.61 : 1,942,063.59 = 762,707.64 : x
  2. Step 2: Convert to fraction form
    1,407,287.61/1,942,063.59 = 762,707.64/x
  3. Step 3: Cross multiply
    1,407,287.61x = 1,942,063.59 × 762,707.64
  4. Step 4: Simplify right side
    1,407,287.61x = 1,481,226,737,458.83
  5. Step 5: Solve for x
    x = 1,481,226,737,458.83/1,407,287.61
  6. Step 6: Final answer
    x = 1,052,540.17

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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.