Home / 1,391,002.36-2,086,645.13-480,066.28

Finding the Fourth Proportional to 1,391,002.36, 2,086,645.13 and 480,066.28

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Solution

The fourth proportional to 1,391,002.36, 2,086,645.13 and 480,066.28 is: 720,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,002.36 : 2,086,645.13 = 480,066.28 : x
  2. Step 2: Convert to fraction form
    1,391,002.36/2,086,645.13 = 480,066.28/x
  3. Step 3: Cross multiply
    1,391,002.36x = 2,086,645.13 × 480,066.28
  4. Step 4: Simplify right side
    1,391,002.36x = 1,001,727,965,239.22
  5. Step 5: Solve for x
    x = 1,001,727,965,239.22/1,391,002.36
  6. Step 6: Final answer
    x = 720,148.29

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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.