Home / 1,039,749.20-1,559,623.80-329,832.80

Finding the Fourth Proportional to 1,039,749.20, 1,559,623.80 and 329,832.80

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Solution

The fourth proportional to 1,039,749.20, 1,559,623.80 and 329,832.80 is: 494,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,749.20 : 1,559,623.80 = 329,832.80 : x
  2. Step 2: Convert to fraction form
    1,039,749.20/1,559,623.80 = 329,832.80/x
  3. Step 3: Cross multiply
    1,039,749.20x = 1,559,623.80 × 329,832.80
  4. Step 4: Simplify right side
    1,039,749.20x = 514,415,084,900.64
  5. Step 5: Solve for x
    x = 514,415,084,900.64/1,039,749.20
  6. Step 6: Final answer
    x = 494,749.20

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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.