Home / 1,091,452.80-1,637,358.40-343,318.40

Finding the Fourth Proportional to 1,091,452.80, 1,637,358.40 and 343,318.40

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Solution

The fourth proportional to 1,091,452.80, 1,637,358.40 and 343,318.40 is: 515,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,452.80 : 1,637,358.40 = 343,318.40 : x
  2. Step 2: Convert to fraction form
    1,091,452.80/1,637,358.40 = 343,318.40/x
  3. Step 3: Cross multiply
    1,091,452.80x = 1,637,358.40 × 343,318.40
  4. Step 4: Simplify right side
    1,091,452.80x = 562,135,266,114.56
  5. Step 5: Solve for x
    x = 562,135,266,114.56/1,091,452.80
  6. Step 6: Final answer
    x = 515,033.97

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1.5x scale

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.