Home / 1,138,325.20-1,570,889.36-629,027.58

Finding the Fourth Proportional to 1,138,325.20, 1,570,889.36 and 629,027.58

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Solution

The fourth proportional to 1,138,325.20, 1,570,889.36 and 629,027.58 is: 868,058.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,325.20 : 1,570,889.36 = 629,027.58 : x
  2. Step 2: Convert to fraction form
    1,138,325.20/1,570,889.36 = 629,027.58/x
  3. Step 3: Cross multiply
    1,138,325.20x = 1,570,889.36 × 629,027.58
  4. Step 4: Simplify right side
    1,138,325.20x = 988,132,732,568.55
  5. Step 5: Solve for x
    x = 988,132,732,568.55/1,138,325.20
  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.