Home / 1,207,451.64-1,811,239.46-308,901.12

Finding the Fourth Proportional to 1,207,451.64, 1,811,239.46 and 308,901.12

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Solution

The fourth proportional to 1,207,451.64, 1,811,239.46 and 308,901.12 is: 463,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,451.64 : 1,811,239.46 = 308,901.12 : x
  2. Step 2: Convert to fraction form
    1,207,451.64/1,811,239.46 = 308,901.12/x
  3. Step 3: Cross multiply
    1,207,451.64x = 1,811,239.46 × 308,901.12
  4. Step 4: Simplify right side
    1,207,451.64x = 559,493,897,782.20
  5. Step 5: Solve for x
    x = 559,493,897,782.20/1,207,451.64
  6. Step 6: Final answer
    x = 463,367.54

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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.