Home / 1,146,748.39-1,719,048.22-388,058.70

Finding the Fourth Proportional to 1,146,748.39, 1,719,048.22 and 388,058.70

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Solution

The fourth proportional to 1,146,748.39, 1,719,048.22 and 388,058.70 is: 581,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,748.39 : 1,719,048.22 = 388,058.70 : x
  2. Step 2: Convert to fraction form
    1,146,748.39/1,719,048.22 = 388,058.70/x
  3. Step 3: Cross multiply
    1,146,748.39x = 1,719,048.22 × 388,058.70
  4. Step 4: Simplify right side
    1,146,748.39x = 667,091,613,297.15
  5. Step 5: Solve for x
    x = 667,091,613,297.15/1,146,748.39
  6. Step 6: Final answer
    x = 581,724.48

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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.