Home / 1,188,138.55-1,782,312.59-335,217.65

Finding the Fourth Proportional to 1,188,138.55, 1,782,312.59 and 335,217.65

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Solution

The fourth proportional to 1,188,138.55, 1,782,312.59 and 335,217.65 is: 502,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,138.55 : 1,782,312.59 = 335,217.65 : x
  2. Step 2: Convert to fraction form
    1,188,138.55/1,782,312.59 = 335,217.65/x
  3. Step 3: Cross multiply
    1,188,138.55x = 1,782,312.59 × 335,217.65
  4. Step 4: Simplify right side
    1,188,138.55x = 597,462,636,309.13
  5. Step 5: Solve for x
    x = 597,462,636,309.13/1,188,138.55
  6. Step 6: Final answer
    x = 502,856.03

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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.