Home / 1,206,870.78-1,810,306.12-308,314.48

Finding the Fourth Proportional to 1,206,870.78, 1,810,306.12 and 308,314.48

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Solution

The fourth proportional to 1,206,870.78, 1,810,306.12 and 308,314.48 is: 462,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,870.78 : 1,810,306.12 = 308,314.48 : x
  2. Step 2: Convert to fraction form
    1,206,870.78/1,810,306.12 = 308,314.48/x
  3. Step 3: Cross multiply
    1,206,870.78x = 1,810,306.12 × 308,314.48
  4. Step 4: Simplify right side
    1,206,870.78x = 558,143,590,028.62
  5. Step 5: Solve for x
    x = 558,143,590,028.62/1,206,870.78
  6. Step 6: Final answer
    x = 462,471.71

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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.