Home / 1,692,316.80-2,538,590.40-494,236.80

Finding the Fourth Proportional to 1,692,316.80, 2,538,590.40 and 494,236.80

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Solution

The fourth proportional to 1,692,316.80, 2,538,590.40 and 494,236.80 is: 741,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,316.80 : 2,538,590.40 = 494,236.80 : x
  2. Step 2: Convert to fraction form
    1,692,316.80/2,538,590.40 = 494,236.80/x
  3. Step 3: Cross multiply
    1,692,316.80x = 2,538,590.40 × 494,236.80
  4. Step 4: Simplify right side
    1,692,316.80x = 1,254,664,795,806.72
  5. Step 5: Solve for x
    x = 1,254,664,795,806.72/1,692,316.80
  6. Step 6: Final answer
    x = 741,388.84

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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.