Home / 1,210,379.63-1,810,512.86-850,525.16

Finding the Fourth Proportional to 1,210,379.63, 1,810,512.86 and 850,525.16

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Solution

The fourth proportional to 1,210,379.63, 1,810,512.86 and 850,525.16 is: 1,272,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,379.63 : 1,810,512.86 = 850,525.16 : x
  2. Step 2: Convert to fraction form
    1,210,379.63/1,810,512.86 = 850,525.16/x
  3. Step 3: Cross multiply
    1,210,379.63x = 1,810,512.86 × 850,525.16
  4. Step 4: Simplify right side
    1,210,379.63x = 1,539,886,726,628.37
  5. Step 5: Solve for x
    x = 1,539,886,726,628.37/1,210,379.63
  6. Step 6: Final answer
    x = 1,272,234.51

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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.