Home / 1,215,697.61-1,821,916.42-946,151.23

Finding the Fourth Proportional to 1,215,697.61, 1,821,916.42 and 946,151.23

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Solution

The fourth proportional to 1,215,697.61, 1,821,916.42 and 946,151.23 is: 1,417,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,697.61 : 1,821,916.42 = 946,151.23 : x
  2. Step 2: Convert to fraction form
    1,215,697.61/1,821,916.42 = 946,151.23/x
  3. Step 3: Cross multiply
    1,215,697.61x = 1,821,916.42 × 946,151.23
  4. Step 4: Simplify right side
    1,215,697.61x = 1,723,808,454,820.03
  5. Step 5: Solve for x
    x = 1,723,808,454,820.03/1,215,697.61
  6. Step 6: Final answer
    x = 1,417,958.26

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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.