Home / 1,207,406.70-1,811,110.05-320,942.70

Finding the Fourth Proportional to 1,207,406.70, 1,811,110.05 and 320,942.70

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Solution

The fourth proportional to 1,207,406.70, 1,811,110.05 and 320,942.70 is: 481,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,406.70 : 1,811,110.05 = 320,942.70 : x
  2. Step 2: Convert to fraction form
    1,207,406.70/1,811,110.05 = 320,942.70/x
  3. Step 3: Cross multiply
    1,207,406.70x = 1,811,110.05 × 320,942.70
  4. Step 4: Simplify right side
    1,207,406.70x = 581,262,549,444.14
  5. Step 5: Solve for x
    x = 581,262,549,444.14/1,207,406.70
  6. Step 6: Final answer
    x = 481,414.05

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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.