Home / 1,208,010.40-1,812,008.40-309,450.40

Finding the Fourth Proportional to 1,208,010.40, 1,812,008.40 and 309,450.40

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Solution

The fourth proportional to 1,208,010.40, 1,812,008.40 and 309,450.40 is: 464,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,010.40 : 1,812,008.40 = 309,450.40 : x
  2. Step 2: Convert to fraction form
    1,208,010.40/1,812,008.40 = 309,450.40/x
  3. Step 3: Cross multiply
    1,208,010.40x = 1,812,008.40 × 309,450.40
  4. Step 4: Simplify right side
    1,208,010.40x = 560,726,724,183.36
  5. Step 5: Solve for x
    x = 560,726,724,183.36/1,208,010.40
  6. Step 6: Final answer
    x = 464,173.76

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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.