Home / 1,206,460.50-1,809,689.30-307,902.33

Finding the Fourth Proportional to 1,206,460.50, 1,809,689.30 and 307,902.33

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Solution

The fourth proportional to 1,206,460.50, 1,809,689.30 and 307,902.33 is: 461,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,460.50 : 1,809,689.30 = 307,902.33 : x
  2. Step 2: Convert to fraction form
    1,206,460.50/1,809,689.30 = 307,902.33/x
  3. Step 3: Cross multiply
    1,206,460.50x = 1,809,689.30 × 307,902.33
  4. Step 4: Simplify right side
    1,206,460.50x = 557,207,550,506.56
  5. Step 5: Solve for x
    x = 557,207,550,506.56/1,206,460.50
  6. Step 6: Final answer
    x = 461,853.12

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Double scale
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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.