Home / 1,323,007.80-1,985,289.30-481,644.60

Finding the Fourth Proportional to 1,323,007.80, 1,985,289.30 and 481,644.60

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Solution

The fourth proportional to 1,323,007.80, 1,985,289.30 and 481,644.60 is: 722,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,007.80 : 1,985,289.30 = 481,644.60 : x
  2. Step 2: Convert to fraction form
    1,323,007.80/1,985,289.30 = 481,644.60/x
  3. Step 3: Cross multiply
    1,323,007.80x = 1,985,289.30 × 481,644.60
  4. Step 4: Simplify right side
    1,323,007.80x = 956,203,870,782.78
  5. Step 5: Solve for x
    x = 956,203,870,782.78/1,323,007.80
  6. Step 6: Final answer
    x = 722,749.99

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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.