Home / 1,621,859.22-2,238,229.26-1,077,055.65

Finding the Fourth Proportional to 1,621,859.22, 2,238,229.26 and 1,077,055.65

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Solution

The fourth proportional to 1,621,859.22, 2,238,229.26 and 1,077,055.65 is: 1,486,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,859.22 : 2,238,229.26 = 1,077,055.65 : x
  2. Step 2: Convert to fraction form
    1,621,859.22/2,238,229.26 = 1,077,055.65/x
  3. Step 3: Cross multiply
    1,621,859.22x = 2,238,229.26 × 1,077,055.65
  4. Step 4: Simplify right side
    1,621,859.22x = 2,410,697,470,478.32
  5. Step 5: Solve for x
    x = 2,410,697,470,478.32/1,621,859.22
  6. Step 6: Final answer
    x = 1,486,378.99

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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.