Home / 1,204,215.78-1,806,329.69-305,657.79

Finding the Fourth Proportional to 1,204,215.78, 1,806,329.69 and 305,657.79

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Solution

The fourth proportional to 1,204,215.78, 1,806,329.69 and 305,657.79 is: 458,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,215.78 : 1,806,329.69 = 305,657.79 : x
  2. Step 2: Convert to fraction form
    1,204,215.78/1,806,329.69 = 305,657.79/x
  3. Step 3: Cross multiply
    1,204,215.78x = 1,806,329.69 × 305,657.79
  4. Step 4: Simplify right side
    1,204,215.78x = 552,118,739,528.50
  5. Step 5: Solve for x
    x = 552,118,739,528.50/1,204,215.78
  6. Step 6: Final answer
    x = 458,488.21

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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.