Home / 1,215,719.46-1,821,948.98-946,173.06

Finding the Fourth Proportional to 1,215,719.46, 1,821,948.98 and 946,173.06

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Solution

The fourth proportional to 1,215,719.46, 1,821,948.98 and 946,173.06 is: 1,417,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,719.46 : 1,821,948.98 = 946,173.06 : x
  2. Step 2: Convert to fraction form
    1,215,719.46/1,821,948.98 = 946,173.06/x
  3. Step 3: Cross multiply
    1,215,719.46x = 1,821,948.98 × 946,173.06
  4. Step 4: Simplify right side
    1,215,719.46x = 1,723,879,041,570.48
  5. Step 5: Solve for x
    x = 1,723,879,041,570.48/1,215,719.46
  6. Step 6: Final answer
    x = 1,417,990.83

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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.