Home / 1,385,054.52-1,912,170.42-1,055,782.64

Finding the Fourth Proportional to 1,385,054.52, 1,912,170.42 and 1,055,782.64

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Solution

The fourth proportional to 1,385,054.52, 1,912,170.42 and 1,055,782.64 is: 1,457,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,054.52 : 1,912,170.42 = 1,055,782.64 : x
  2. Step 2: Convert to fraction form
    1,385,054.52/1,912,170.42 = 1,055,782.64/x
  3. Step 3: Cross multiply
    1,385,054.52x = 1,912,170.42 × 1,055,782.64
  4. Step 4: Simplify right side
    1,385,054.52x = 2,018,836,324,596.66
  5. Step 5: Solve for x
    x = 2,018,836,324,596.66/1,385,054.52
  6. Step 6: Final answer
    x = 1,457,586.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.