Home / 1,413,722.80-2,119,857.80-416,321.20

Finding the Fourth Proportional to 1,413,722.80, 2,119,857.80 and 416,321.20

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Solution

The fourth proportional to 1,413,722.80, 2,119,857.80 and 416,321.20 is: 624,267.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,722.80 : 2,119,857.80 = 416,321.20 : x
  2. Step 2: Convert to fraction form
    1,413,722.80/2,119,857.80 = 416,321.20/x
  3. Step 3: Cross multiply
    1,413,722.80x = 2,119,857.80 × 416,321.20
  4. Step 4: Simplify right side
    1,413,722.80x = 882,541,743,125.36
  5. Step 5: Solve for x
    x = 882,541,743,125.36/1,413,722.80
  6. Step 6: Final answer
    x = 624,267.89

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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.