Home / 1,207,451.70-1,811,239.58-308,901.22

Finding the Fourth Proportional to 1,207,451.70, 1,811,239.58 and 308,901.22

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Solution

The fourth proportional to 1,207,451.70, 1,811,239.58 and 308,901.22 is: 463,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,451.70 : 1,811,239.58 = 308,901.22 : x
  2. Step 2: Convert to fraction form
    1,207,451.70/1,811,239.58 = 308,901.22/x
  3. Step 3: Cross multiply
    1,207,451.70x = 1,811,239.58 × 308,901.22
  4. Step 4: Simplify right side
    1,207,451.70x = 559,494,115,974.29
  5. Step 5: Solve for x
    x = 559,494,115,974.29/1,207,451.70
  6. Step 6: Final answer
    x = 463,367.70

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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.