Home / 1,513,383.12-2,270,406.84-448,508.64

Finding the Fourth Proportional to 1,513,383.12, 2,270,406.84 and 448,508.64

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Solution

The fourth proportional to 1,513,383.12, 2,270,406.84 and 448,508.64 is: 672,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,383.12 : 2,270,406.84 = 448,508.64 : x
  2. Step 2: Convert to fraction form
    1,513,383.12/2,270,406.84 = 448,508.64/x
  3. Step 3: Cross multiply
    1,513,383.12x = 2,270,406.84 × 448,508.64
  4. Step 4: Simplify right side
    1,513,383.12x = 1,018,297,084,055.10
  5. Step 5: Solve for x
    x = 1,018,297,084,055.10/1,513,383.12
  6. Step 6: Final answer
    x = 672,861.40

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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.