Home / 1,315,342.12-1,973,081.22-416,879.32

Finding the Fourth Proportional to 1,315,342.12, 1,973,081.22 and 416,879.32

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Solution

The fourth proportional to 1,315,342.12, 1,973,081.22 and 416,879.32 is: 625,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,342.12 : 1,973,081.22 = 416,879.32 : x
  2. Step 2: Convert to fraction form
    1,315,342.12/1,973,081.22 = 416,879.32/x
  3. Step 3: Cross multiply
    1,315,342.12x = 1,973,081.22 × 416,879.32
  4. Step 4: Simplify right side
    1,315,342.12x = 822,536,757,298.37
  5. Step 5: Solve for x
    x = 822,536,757,298.37/1,315,342.12
  6. Step 6: Final answer
    x = 625,340.54

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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.