Home / 1,108,149.45-1,662,273.86-339,590.67

Finding the Fourth Proportional to 1,108,149.45, 1,662,273.86 and 339,590.67

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Solution

The fourth proportional to 1,108,149.45, 1,662,273.86 and 339,590.67 is: 509,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,149.45 : 1,662,273.86 = 339,590.67 : x
  2. Step 2: Convert to fraction form
    1,108,149.45/1,662,273.86 = 339,590.67/x
  3. Step 3: Cross multiply
    1,108,149.45x = 1,662,273.86 × 339,590.67
  4. Step 4: Simplify right side
    1,108,149.45x = 564,492,692,142.93
  5. Step 5: Solve for x
    x = 564,492,692,142.93/1,108,149.45
  6. Step 6: Final answer
    x = 509,401.23

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Double scale
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1.5x scale

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.