Home / 1,206,200.70-1,809,301.05-319,736.70

Finding the Fourth Proportional to 1,206,200.70, 1,809,301.05 and 319,736.70

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Solution

The fourth proportional to 1,206,200.70, 1,809,301.05 and 319,736.70 is: 479,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,200.70 : 1,809,301.05 = 319,736.70 : x
  2. Step 2: Convert to fraction form
    1,206,200.70/1,809,301.05 = 319,736.70/x
  3. Step 3: Cross multiply
    1,206,200.70x = 1,809,301.05 × 319,736.70
  4. Step 4: Simplify right side
    1,206,200.70x = 578,499,947,033.54
  5. Step 5: Solve for x
    x = 578,499,947,033.54/1,206,200.70
  6. Step 6: Final answer
    x = 479,605.05

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1.5x scale

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.