Home / 1,039,727.41-1,559,739.89-320,130

Finding the Fourth Proportional to 1,039,727.41, 1,559,739.89 and 320,130

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Solution

The fourth proportional to 1,039,727.41, 1,559,739.89 and 320,130 is: 480,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,727.41 : 1,559,739.89 = 320,130 : x
  2. Step 2: Convert to fraction form
    1,039,727.41/1,559,739.89 = 320,130/x
  3. Step 3: Cross multiply
    1,039,727.41x = 1,559,739.89 × 320,130
  4. Step 4: Simplify right side
    1,039,727.41x = 499,319,529,385.05
  5. Step 5: Solve for x
    x = 499,319,529,385.05/1,039,727.41
  6. Step 6: Final answer
    x = 480,240.81

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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.