Home / 919,424.49-1,268,980.55-575,420.33

Finding the Fourth Proportional to 919,424.49, 1,268,980.55 and 575,420.33

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Solution

The fourth proportional to 919,424.49, 1,268,980.55 and 575,420.33 is: 794,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,424.49 : 1,268,980.55 = 575,420.33 : x
  2. Step 2: Convert to fraction form
    919,424.49/1,268,980.55 = 575,420.33/x
  3. Step 3: Cross multiply
    919,424.49x = 1,268,980.55 × 575,420.33
  4. Step 4: Simplify right side
    919,424.49x = 730,197,197,622.58
  5. Step 5: Solve for x
    x = 730,197,197,622.58/919,424.49
  6. Step 6: Final answer
    x = 794,189.41

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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.