Home / 1,405,569.06-2,106,145.86-1,086,502.74

Finding the Fourth Proportional to 1,405,569.06, 2,106,145.86 and 1,086,502.74

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Solution

The fourth proportional to 1,405,569.06, 2,106,145.86 and 1,086,502.74 is: 1,628,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,569.06 : 2,106,145.86 = 1,086,502.74 : x
  2. Step 2: Convert to fraction form
    1,405,569.06/2,106,145.86 = 1,086,502.74/x
  3. Step 3: Cross multiply
    1,405,569.06x = 2,106,145.86 × 1,086,502.74
  4. Step 4: Simplify right side
    1,405,569.06x = 2,288,333,247,729.66
  5. Step 5: Solve for x
    x = 2,288,333,247,729.66/1,405,569.06
  6. Step 6: Final answer
    x = 1,628,047.54

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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.