Home / 1,781,221.20-2,671,831.80-984,958.80

Finding the Fourth Proportional to 1,781,221.20, 2,671,831.80 and 984,958.80

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Solution

The fourth proportional to 1,781,221.20, 2,671,831.80 and 984,958.80 is: 1,477,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,221.20 : 2,671,831.80 = 984,958.80 : x
  2. Step 2: Convert to fraction form
    1,781,221.20/2,671,831.80 = 984,958.80/x
  3. Step 3: Cross multiply
    1,781,221.20x = 2,671,831.80 × 984,958.80
  4. Step 4: Simplify right side
    1,781,221.20x = 2,631,644,243,529.84
  5. Step 5: Solve for x
    x = 2,631,644,243,529.84/1,781,221.20
  6. Step 6: Final answer
    x = 1,477,438.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.