Home / 1,336,524.78-2,004,686.43-425,670.51

Finding the Fourth Proportional to 1,336,524.78, 2,004,686.43 and 425,670.51

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Solution

The fourth proportional to 1,336,524.78, 2,004,686.43 and 425,670.51 is: 638,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,524.78 : 2,004,686.43 = 425,670.51 : x
  2. Step 2: Convert to fraction form
    1,336,524.78/2,004,686.43 = 425,670.51/x
  3. Step 3: Cross multiply
    1,336,524.78x = 2,004,686.43 × 425,670.51
  4. Step 4: Simplify right side
    1,336,524.78x = 853,335,895,048.18
  5. Step 5: Solve for x
    x = 853,335,895,048.18/1,336,524.78
  6. Step 6: Final answer
    x = 638,473.68

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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.