Home / 1,229,812.85-1,693,651.26-1,056,471.23

Finding the Fourth Proportional to 1,229,812.85, 1,693,651.26 and 1,056,471.23

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Solution

The fourth proportional to 1,229,812.85, 1,693,651.26 and 1,056,471.23 is: 1,454,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,812.85 : 1,693,651.26 = 1,056,471.23 : x
  2. Step 2: Convert to fraction form
    1,229,812.85/1,693,651.26 = 1,056,471.23/x
  3. Step 3: Cross multiply
    1,229,812.85x = 1,693,651.26 × 1,056,471.23
  4. Step 4: Simplify right side
    1,229,812.85x = 1,789,293,821,374.99
  5. Step 5: Solve for x
    x = 1,789,293,821,374.99/1,229,812.85
  6. Step 6: Final answer
    x = 1,454,931.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.