Home / 1,876,662.64-2,814,994.28-456,718.74

Finding the Fourth Proportional to 1,876,662.64, 2,814,994.28 and 456,718.74

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Solution

The fourth proportional to 1,876,662.64, 2,814,994.28 and 456,718.74 is: 685,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,662.64 : 2,814,994.28 = 456,718.74 : x
  2. Step 2: Convert to fraction form
    1,876,662.64/2,814,994.28 = 456,718.74/x
  3. Step 3: Cross multiply
    1,876,662.64x = 2,814,994.28 × 456,718.74
  4. Step 4: Simplify right side
    1,876,662.64x = 1,285,660,640,668.81
  5. Step 5: Solve for x
    x = 1,285,660,640,668.81/1,876,662.64
  6. Step 6: Final answer
    x = 685,078.19

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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.