Home / 423,236.73-634,918.88-123,679.70

Finding the Fourth Proportional to 423,236.73, 634,918.88 and 123,679.70

Calculator

Solution

The fourth proportional to 423,236.73, 634,918.88 and 123,679.70 is: 185,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,236.73 : 634,918.88 = 123,679.70 : x
  2. Step 2: Convert to fraction form
    423,236.73/634,918.88 = 123,679.70/x
  3. Step 3: Cross multiply
    423,236.73x = 634,918.88 × 123,679.70
  4. Step 4: Simplify right side
    423,236.73x = 78,526,572,809.74
  5. Step 5: Solve for x
    x = 78,526,572,809.74/423,236.73
  6. Step 6: Final answer
    x = 185,538.18

Related Problems

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.