Home / 1,039,657.12-1,559,633.44-320,058.86

Finding the Fourth Proportional to 1,039,657.12, 1,559,633.44 and 320,058.86

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Solution

The fourth proportional to 1,039,657.12, 1,559,633.44 and 320,058.86 is: 480,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,657.12 : 1,559,633.44 = 320,058.86 : x
  2. Step 2: Convert to fraction form
    1,039,657.12/1,559,633.44 = 320,058.86/x
  3. Step 3: Cross multiply
    1,039,657.12x = 1,559,633.44 × 320,058.86
  4. Step 4: Simplify right side
    1,039,657.12x = 499,174,500,824.28
  5. Step 5: Solve for x
    x = 499,174,500,824.28/1,039,657.12
  6. Step 6: Final answer
    x = 480,133.78

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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.