Home / 1,206,579.78-1,809,869.06-308,021.22

Finding the Fourth Proportional to 1,206,579.78, 1,809,869.06 and 308,021.22

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Solution

The fourth proportional to 1,206,579.78, 1,809,869.06 and 308,021.22 is: 462,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,579.78 : 1,809,869.06 = 308,021.22 : x
  2. Step 2: Convert to fraction form
    1,206,579.78/1,809,869.06 = 308,021.22/x
  3. Step 3: Cross multiply
    1,206,579.78x = 1,809,869.06 × 308,021.22
  4. Step 4: Simplify right side
    1,206,579.78x = 557,478,075,901.45
  5. Step 5: Solve for x
    x = 557,478,075,901.45/1,206,579.78
  6. Step 6: Final answer
    x = 462,031.67

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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.