Home / 1,039,733.34-1,559,748.77-320,135.92

Finding the Fourth Proportional to 1,039,733.34, 1,559,748.77 and 320,135.92

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Solution

The fourth proportional to 1,039,733.34, 1,559,748.77 and 320,135.92 is: 480,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,733.34 : 1,559,748.77 = 320,135.92 : x
  2. Step 2: Convert to fraction form
    1,039,733.34/1,559,748.77 = 320,135.92/x
  3. Step 3: Cross multiply
    1,039,733.34x = 1,559,748.77 × 320,135.92
  4. Step 4: Simplify right side
    1,039,733.34x = 499,331,607,452.82
  5. Step 5: Solve for x
    x = 499,331,607,452.82/1,039,733.34
  6. Step 6: Final answer
    x = 480,249.68

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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.