Home / 1,409,333.28-2,114,073.66-398,529.18

Finding the Fourth Proportional to 1,409,333.28, 2,114,073.66 and 398,529.18

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Solution

The fourth proportional to 1,409,333.28, 2,114,073.66 and 398,529.18 is: 597,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,333.28 : 2,114,073.66 = 398,529.18 : x
  2. Step 2: Convert to fraction form
    1,409,333.28/2,114,073.66 = 398,529.18/x
  3. Step 3: Cross multiply
    1,409,333.28x = 2,114,073.66 × 398,529.18
  4. Step 4: Simplify right side
    1,409,333.28x = 842,520,042,179.40
  5. Step 5: Solve for x
    x = 842,520,042,179.40/1,409,333.28
  6. Step 6: Final answer
    x = 597,814.62

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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.