Home / 1,336,518.28-2,004,676.69-425,664.01

Finding the Fourth Proportional to 1,336,518.28, 2,004,676.69 and 425,664.01

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Solution

The fourth proportional to 1,336,518.28, 2,004,676.69 and 425,664.01 is: 638,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,518.28 : 2,004,676.69 = 425,664.01 : x
  2. Step 2: Convert to fraction form
    1,336,518.28/2,004,676.69 = 425,664.01/x
  3. Step 3: Cross multiply
    1,336,518.28x = 2,004,676.69 × 425,664.01
  4. Step 4: Simplify right side
    1,336,518.28x = 853,318,718,618.93
  5. Step 5: Solve for x
    x = 853,318,718,618.93/1,336,518.28
  6. Step 6: Final answer
    x = 638,463.93

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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.