Home / 1,289,088.19-1,933,624.61-329,542.28

Finding the Fourth Proportional to 1,289,088.19, 1,933,624.61 and 329,542.28

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Solution

The fourth proportional to 1,289,088.19, 1,933,624.61 and 329,542.28 is: 494,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,088.19 : 1,933,624.61 = 329,542.28 : x
  2. Step 2: Convert to fraction form
    1,289,088.19/1,933,624.61 = 329,542.28/x
  3. Step 3: Cross multiply
    1,289,088.19x = 1,933,624.61 × 329,542.28
  4. Step 4: Simplify right side
    1,289,088.19x = 637,211,059,814.55
  5. Step 5: Solve for x
    x = 637,211,059,814.55/1,289,088.19
  6. Step 6: Final answer
    x = 494,311.46

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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.