Home / 1,207,429.96-1,811,206.96-308,879.48

Finding the Fourth Proportional to 1,207,429.96, 1,811,206.96 and 308,879.48

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Solution

The fourth proportional to 1,207,429.96, 1,811,206.96 and 308,879.48 is: 463,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,429.96 : 1,811,206.96 = 308,879.48 : x
  2. Step 2: Convert to fraction form
    1,207,429.96/1,811,206.96 = 308,879.48/x
  3. Step 3: Cross multiply
    1,207,429.96x = 1,811,206.96 × 308,879.48
  4. Step 4: Simplify right side
    1,207,429.96x = 559,444,663,977.18
  5. Step 5: Solve for x
    x = 559,444,663,977.18/1,207,429.96
  6. Step 6: Final answer
    x = 463,335.09

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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.