Home / 1,204,933.40-1,806,139.02-405,938.84

Finding the Fourth Proportional to 1,204,933.40, 1,806,139.02 and 405,938.84

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Solution

The fourth proportional to 1,204,933.40, 1,806,139.02 and 405,938.84 is: 608,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,933.40 : 1,806,139.02 = 405,938.84 : x
  2. Step 2: Convert to fraction form
    1,204,933.40/1,806,139.02 = 405,938.84/x
  3. Step 3: Cross multiply
    1,204,933.40x = 1,806,139.02 × 405,938.84
  4. Step 4: Simplify right side
    1,204,933.40x = 733,181,978,657.54
  5. Step 5: Solve for x
    x = 733,181,978,657.54/1,204,933.40
  6. Step 6: Final answer
    x = 608,483.41

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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.