Home / 1,577,055.85-2,365,583.50-378,978.15

Finding the Fourth Proportional to 1,577,055.85, 2,365,583.50 and 378,978.15

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Solution

The fourth proportional to 1,577,055.85, 2,365,583.50 and 378,978.15 is: 568,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,055.85 : 2,365,583.50 = 378,978.15 : x
  2. Step 2: Convert to fraction form
    1,577,055.85/2,365,583.50 = 378,978.15/x
  3. Step 3: Cross multiply
    1,577,055.85x = 2,365,583.50 × 378,978.15
  4. Step 4: Simplify right side
    1,577,055.85x = 896,504,458,500.53
  5. Step 5: Solve for x
    x = 896,504,458,500.53/1,577,055.85
  6. Step 6: Final answer
    x = 568,467.16

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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.