Home / 1,055,768.80-1,583,630.64-257,054.56

Finding the Fourth Proportional to 1,055,768.80, 1,583,630.64 and 257,054.56

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Solution

The fourth proportional to 1,055,768.80, 1,583,630.64 and 257,054.56 is: 385,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,768.80 : 1,583,630.64 = 257,054.56 : x
  2. Step 2: Convert to fraction form
    1,055,768.80/1,583,630.64 = 257,054.56/x
  3. Step 3: Cross multiply
    1,055,768.80x = 1,583,630.64 × 257,054.56
  4. Step 4: Simplify right side
    1,055,768.80x = 407,079,477,367.72
  5. Step 5: Solve for x
    x = 407,079,477,367.72/1,055,768.80
  6. Step 6: Final answer
    x = 385,576.35

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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.