Home / 1,409,664.60-2,114,496.90-412,392.60

Finding the Fourth Proportional to 1,409,664.60, 2,114,496.90 and 412,392.60

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Solution

The fourth proportional to 1,409,664.60, 2,114,496.90 and 412,392.60 is: 618,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,664.60 : 2,114,496.90 = 412,392.60 : x
  2. Step 2: Convert to fraction form
    1,409,664.60/2,114,496.90 = 412,392.60/x
  3. Step 3: Cross multiply
    1,409,664.60x = 2,114,496.90 × 412,392.60
  4. Step 4: Simplify right side
    1,409,664.60x = 872,002,874,282.94
  5. Step 5: Solve for x
    x = 872,002,874,282.94/1,409,664.60
  6. Step 6: Final answer
    x = 618,588.90

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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.