Home / 919,419.99-1,268,974.34-575,415.83

Finding the Fourth Proportional to 919,419.99, 1,268,974.34 and 575,415.83

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Solution

The fourth proportional to 919,419.99, 1,268,974.34 and 575,415.83 is: 794,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,419.99 : 1,268,974.34 = 575,415.83 : x
  2. Step 2: Convert to fraction form
    919,419.99/1,268,974.34 = 575,415.83/x
  3. Step 3: Cross multiply
    919,419.99x = 1,268,974.34 × 575,415.83
  4. Step 4: Simplify right side
    919,419.99x = 730,187,913,877.85
  5. Step 5: Solve for x
    x = 730,187,913,877.85/919,419.99
  6. Step 6: Final answer
    x = 794,183.20

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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.