Home / 1,213,708.31-1,820,563.37-414,995.86

Finding the Fourth Proportional to 1,213,708.31, 1,820,563.37 and 414,995.86

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Solution

The fourth proportional to 1,213,708.31, 1,820,563.37 and 414,995.86 is: 622,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,708.31 : 1,820,563.37 = 414,995.86 : x
  2. Step 2: Convert to fraction form
    1,213,708.31/1,820,563.37 = 414,995.86/x
  3. Step 3: Cross multiply
    1,213,708.31x = 1,820,563.37 × 414,995.86
  4. Step 4: Simplify right side
    1,213,708.31x = 755,526,261,417.65
  5. Step 5: Solve for x
    x = 755,526,261,417.65/1,213,708.31
  6. Step 6: Final answer
    x = 622,494.10

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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.