Home / 1,798,388.75-2,698,914.78-851,762.42

Finding the Fourth Proportional to 1,798,388.75, 2,698,914.78 and 851,762.42

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Solution

The fourth proportional to 1,798,388.75, 2,698,914.78 and 851,762.42 is: 1,278,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,388.75 : 2,698,914.78 = 851,762.42 : x
  2. Step 2: Convert to fraction form
    1,798,388.75/2,698,914.78 = 851,762.42/x
  3. Step 3: Cross multiply
    1,798,388.75x = 2,698,914.78 × 851,762.42
  4. Step 4: Simplify right side
    1,798,388.75x = 2,298,834,184,386.57
  5. Step 5: Solve for x
    x = 2,298,834,184,386.57/1,798,388.75
  6. Step 6: Final answer
    x = 1,278,274.34

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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.