Home / 1,259,310.60-1,737,889.20-715,436.46

Finding the Fourth Proportional to 1,259,310.60, 1,737,889.20 and 715,436.46

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Solution

The fourth proportional to 1,259,310.60, 1,737,889.20 and 715,436.46 is: 987,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,310.60 : 1,737,889.20 = 715,436.46 : x
  2. Step 2: Convert to fraction form
    1,259,310.60/1,737,889.20 = 715,436.46/x
  3. Step 3: Cross multiply
    1,259,310.60x = 1,737,889.20 × 715,436.46
  4. Step 4: Simplify right side
    1,259,310.60x = 1,243,349,297,120.23
  5. Step 5: Solve for x
    x = 1,243,349,297,120.23/1,259,310.60
  6. Step 6: Final answer
    x = 987,325.36

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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.