Home / 1,489,790.58-2,055,768.69-836,266.87

Finding the Fourth Proportional to 1,489,790.58, 2,055,768.69 and 836,266.87

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Solution

The fourth proportional to 1,489,790.58, 2,055,768.69 and 836,266.87 is: 1,153,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,790.58 : 2,055,768.69 = 836,266.87 : x
  2. Step 2: Convert to fraction form
    1,489,790.58/2,055,768.69 = 836,266.87/x
  3. Step 3: Cross multiply
    1,489,790.58x = 2,055,768.69 × 836,266.87
  4. Step 4: Simplify right side
    1,489,790.58x = 1,719,171,247,830.30
  5. Step 5: Solve for x
    x = 1,719,171,247,830.30/1,489,790.58
  6. Step 6: Final answer
    x = 1,153,968.40

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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.