Home / 1,055,764.30-1,583,631.60-257,047.60

Finding the Fourth Proportional to 1,055,764.30, 1,583,631.60 and 257,047.60

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Solution

The fourth proportional to 1,055,764.30, 1,583,631.60 and 257,047.60 is: 385,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,764.30 : 1,583,631.60 = 257,047.60 : x
  2. Step 2: Convert to fraction form
    1,055,764.30/1,583,631.60 = 257,047.60/x
  3. Step 3: Cross multiply
    1,055,764.30x = 1,583,631.60 × 257,047.60
  4. Step 4: Simplify right side
    1,055,764.30x = 407,068,702,064.16
  5. Step 5: Solve for x
    x = 407,068,702,064.16/1,055,764.30
  6. Step 6: Final answer
    x = 385,567.78

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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.