Home / 1,401,348.60-2,102,022.90-1,121,412.60

Finding the Fourth Proportional to 1,401,348.60, 2,102,022.90 and 1,121,412.60

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Solution

The fourth proportional to 1,401,348.60, 2,102,022.90 and 1,121,412.60 is: 1,682,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,348.60 : 2,102,022.90 = 1,121,412.60 : x
  2. Step 2: Convert to fraction form
    1,401,348.60/2,102,022.90 = 1,121,412.60/x
  3. Step 3: Cross multiply
    1,401,348.60x = 2,102,022.90 × 1,121,412.60
  4. Step 4: Simplify right side
    1,401,348.60x = 2,357,234,965,548.54
  5. Step 5: Solve for x
    x = 2,357,234,965,548.54/1,401,348.60
  6. Step 6: Final answer
    x = 1,682,118.90

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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.