Home / 1,039,729.55-1,559,743.08-320,132.12

Finding the Fourth Proportional to 1,039,729.55, 1,559,743.08 and 320,132.12

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Solution

The fourth proportional to 1,039,729.55, 1,559,743.08 and 320,132.12 is: 480,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,729.55 : 1,559,743.08 = 320,132.12 : x
  2. Step 2: Convert to fraction form
    1,039,729.55/1,559,743.08 = 320,132.12/x
  3. Step 3: Cross multiply
    1,039,729.55x = 1,559,743.08 × 320,132.12
  4. Step 4: Simplify right side
    1,039,729.55x = 499,323,862,755.09
  5. Step 5: Solve for x
    x = 499,323,862,755.09/1,039,729.55
  6. Step 6: Final answer
    x = 480,243.99

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1.5x scale

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.