Home / 1,876,659.39-2,814,989.38-456,715.46

Finding the Fourth Proportional to 1,876,659.39, 2,814,989.38 and 456,715.46

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Solution

The fourth proportional to 1,876,659.39, 2,814,989.38 and 456,715.46 is: 685,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,659.39 : 2,814,989.38 = 456,715.46 : x
  2. Step 2: Convert to fraction form
    1,876,659.39/2,814,989.38 = 456,715.46/x
  3. Step 3: Cross multiply
    1,876,659.39x = 2,814,989.38 × 456,715.46
  4. Step 4: Simplify right side
    1,876,659.39x = 1,285,649,175,477.50
  5. Step 5: Solve for x
    x = 1,285,649,175,477.50/1,876,659.39
  6. Step 6: Final answer
    x = 685,073.26

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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.