Home / 1,138,325.21-1,570,889.35-629,027.59

Finding the Fourth Proportional to 1,138,325.21, 1,570,889.35 and 629,027.59

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Solution

The fourth proportional to 1,138,325.21, 1,570,889.35 and 629,027.59 is: 868,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,325.21 : 1,570,889.35 = 629,027.59 : x
  2. Step 2: Convert to fraction form
    1,138,325.21/1,570,889.35 = 629,027.59/x
  3. Step 3: Cross multiply
    1,138,325.21x = 1,570,889.35 × 629,027.59
  4. Step 4: Simplify right side
    1,138,325.21x = 988,132,734,132.72
  5. Step 5: Solve for x
    x = 988,132,734,132.72/1,138,325.21
  6. Step 6: Final answer
    x = 868,058.38

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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.