Home / 1,039,755.34-1,559,781.60-320,157.82

Finding the Fourth Proportional to 1,039,755.34, 1,559,781.60 and 320,157.82

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Solution

The fourth proportional to 1,039,755.34, 1,559,781.60 and 320,157.82 is: 480,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,755.34 : 1,559,781.60 = 320,157.82 : x
  2. Step 2: Convert to fraction form
    1,039,755.34/1,559,781.60 = 320,157.82/x
  3. Step 3: Cross multiply
    1,039,755.34x = 1,559,781.60 × 320,157.82
  4. Step 4: Simplify right side
    1,039,755.34x = 499,376,276,732.11
  5. Step 5: Solve for x
    x = 499,376,276,732.11/1,039,755.34
  6. Step 6: Final answer
    x = 480,282.48

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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.