Home / 1,039,765.72-1,559,797.14-320,168.20

Finding the Fourth Proportional to 1,039,765.72, 1,559,797.14 and 320,168.20

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Solution

The fourth proportional to 1,039,765.72, 1,559,797.14 and 320,168.20 is: 480,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,765.72 : 1,559,797.14 = 320,168.20 : x
  2. Step 2: Convert to fraction form
    1,039,765.72/1,559,797.14 = 320,168.20/x
  3. Step 3: Cross multiply
    1,039,765.72x = 1,559,797.14 × 320,168.20
  4. Step 4: Simplify right side
    1,039,765.72x = 499,397,442,678.95
  5. Step 5: Solve for x
    x = 499,397,442,678.95/1,039,765.72
  6. Step 6: Final answer
    x = 480,298.05

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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.