Home / 1,490,414.40-2,235,968.64-425,471.04

Finding the Fourth Proportional to 1,490,414.40, 2,235,968.64 and 425,471.04

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Solution

The fourth proportional to 1,490,414.40, 2,235,968.64 and 425,471.04 is: 638,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,414.40 : 2,235,968.64 = 425,471.04 : x
  2. Step 2: Convert to fraction form
    1,490,414.40/2,235,968.64 = 425,471.04/x
  3. Step 3: Cross multiply
    1,490,414.40x = 2,235,968.64 × 425,471.04
  4. Step 4: Simplify right side
    1,490,414.40x = 951,339,902,668.19
  5. Step 5: Solve for x
    x = 951,339,902,668.19/1,490,414.40
  6. Step 6: Final answer
    x = 638,305.63

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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.