Home / 1,682,480.12-2,321,856.06-918,536.60

Finding the Fourth Proportional to 1,682,480.12, 2,321,856.06 and 918,536.60

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Solution

The fourth proportional to 1,682,480.12, 2,321,856.06 and 918,536.60 is: 1,267,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,480.12 : 2,321,856.06 = 918,536.60 : x
  2. Step 2: Convert to fraction form
    1,682,480.12/2,321,856.06 = 918,536.60/x
  3. Step 3: Cross multiply
    1,682,480.12x = 2,321,856.06 × 918,536.60
  4. Step 4: Simplify right side
    1,682,480.12x = 2,132,709,771,041.80
  5. Step 5: Solve for x
    x = 2,132,709,771,041.80/1,682,480.12
  6. Step 6: Final answer
    x = 1,267,598.79

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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.