Home / 1,521,635.94-2,099,831.88-842,557.86

Finding the Fourth Proportional to 1,521,635.94, 2,099,831.88 and 842,557.86

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Solution

The fourth proportional to 1,521,635.94, 2,099,831.88 and 842,557.86 is: 1,162,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,635.94 : 2,099,831.88 = 842,557.86 : x
  2. Step 2: Convert to fraction form
    1,521,635.94/2,099,831.88 = 842,557.86/x
  3. Step 3: Cross multiply
    1,521,635.94x = 2,099,831.88 × 842,557.86
  4. Step 4: Simplify right side
    1,521,635.94x = 1,769,229,855,172.58
  5. Step 5: Solve for x
    x = 1,769,229,855,172.58/1,521,635.94
  6. Step 6: Final answer
    x = 1,162,715.61

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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.