Home / 1,039,658.29-1,559,635.05-320,059.88

Finding the Fourth Proportional to 1,039,658.29, 1,559,635.05 and 320,059.88

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Solution

The fourth proportional to 1,039,658.29, 1,559,635.05 and 320,059.88 is: 480,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,658.29 : 1,559,635.05 = 320,059.88 : x
  2. Step 2: Convert to fraction form
    1,039,658.29/1,559,635.05 = 320,059.88/x
  3. Step 3: Cross multiply
    1,039,658.29x = 1,559,635.05 × 320,059.88
  4. Step 4: Simplify right side
    1,039,658.29x = 499,176,610,583.95
  5. Step 5: Solve for x
    x = 499,176,610,583.95/1,039,658.29
  6. Step 6: Final answer
    x = 480,135.27

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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.