Home / 1,259,300.70-1,737,875.66-715,426.61

Finding the Fourth Proportional to 1,259,300.70, 1,737,875.66 and 715,426.61

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Solution

The fourth proportional to 1,259,300.70, 1,737,875.66 and 715,426.61 is: 987,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,300.70 : 1,737,875.66 = 715,426.61 : x
  2. Step 2: Convert to fraction form
    1,259,300.70/1,737,875.66 = 715,426.61/x
  3. Step 3: Cross multiply
    1,259,300.70x = 1,737,875.66 × 715,426.61
  4. Step 4: Simplify right side
    1,259,300.70x = 1,243,322,479,768.80
  5. Step 5: Solve for x
    x = 1,243,322,479,768.80/1,259,300.70
  6. Step 6: Final answer
    x = 987,311.83

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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.