Home / 1,284,712.35-1,772,833.22-711,718.35

Finding the Fourth Proportional to 1,284,712.35, 1,772,833.22 and 711,718.35

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Solution

The fourth proportional to 1,284,712.35, 1,772,833.22 and 711,718.35 is: 982,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,712.35 : 1,772,833.22 = 711,718.35 : x
  2. Step 2: Convert to fraction form
    1,284,712.35/1,772,833.22 = 711,718.35/x
  3. Step 3: Cross multiply
    1,284,712.35x = 1,772,833.22 × 711,718.35
  4. Step 4: Simplify right side
    1,284,712.35x = 1,261,757,930,605.00
  5. Step 5: Solve for x
    x = 1,261,757,930,605.00/1,284,712.35
  6. Step 6: Final answer
    x = 982,132.64

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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.