Home / 1,689,500.75-2,534,259.62-427,329.59

Finding the Fourth Proportional to 1,689,500.75, 2,534,259.62 and 427,329.59

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Solution

The fourth proportional to 1,689,500.75, 2,534,259.62 and 427,329.59 is: 640,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,500.75 : 2,534,259.62 = 427,329.59 : x
  2. Step 2: Convert to fraction form
    1,689,500.75/2,534,259.62 = 427,329.59/x
  3. Step 3: Cross multiply
    1,689,500.75x = 2,534,259.62 × 427,329.59
  4. Step 4: Simplify right side
    1,689,500.75x = 1,082,964,112,765.18
  5. Step 5: Solve for x
    x = 1,082,964,112,765.18/1,689,500.75
  6. Step 6: Final answer
    x = 640,996.53

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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.