Home / 1,436,223.60-2,154,651.30-425,424.60

Finding the Fourth Proportional to 1,436,223.60, 2,154,651.30 and 425,424.60

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Solution

The fourth proportional to 1,436,223.60, 2,154,651.30 and 425,424.60 is: 638,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,223.60 : 2,154,651.30 = 425,424.60 : x
  2. Step 2: Convert to fraction form
    1,436,223.60/2,154,651.30 = 425,424.60/x
  3. Step 3: Cross multiply
    1,436,223.60x = 2,154,651.30 × 425,424.60
  4. Step 4: Simplify right side
    1,436,223.60x = 916,641,667,441.98
  5. Step 5: Solve for x
    x = 916,641,667,441.98/1,436,223.60
  6. Step 6: Final answer
    x = 638,230.47

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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.