Home / 1,259,236.73-1,737,752.67-715,402.35

Finding the Fourth Proportional to 1,259,236.73, 1,737,752.67 and 715,402.35

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Solution

The fourth proportional to 1,259,236.73, 1,737,752.67 and 715,402.35 is: 987,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,236.73 : 1,737,752.67 = 715,402.35 : x
  2. Step 2: Convert to fraction form
    1,259,236.73/1,737,752.67 = 715,402.35/x
  3. Step 3: Cross multiply
    1,259,236.73x = 1,737,752.67 × 715,402.35
  4. Step 4: Simplify right side
    1,259,236.73x = 1,243,192,343,836.77
  5. Step 5: Solve for x
    x = 1,243,192,343,836.77/1,259,236.73
  6. Step 6: Final answer
    x = 987,258.64

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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.