Home / 1,436,232.60-2,154,664.80-425,433.60

Finding the Fourth Proportional to 1,436,232.60, 2,154,664.80 and 425,433.60

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Solution

The fourth proportional to 1,436,232.60, 2,154,664.80 and 425,433.60 is: 638,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,232.60 : 2,154,664.80 = 425,433.60 : x
  2. Step 2: Convert to fraction form
    1,436,232.60/2,154,664.80 = 425,433.60/x
  3. Step 3: Cross multiply
    1,436,232.60x = 2,154,664.80 × 425,433.60
  4. Step 4: Simplify right side
    1,436,232.60x = 916,666,802,657.28
  5. Step 5: Solve for x
    x = 916,666,802,657.28/1,436,232.60
  6. Step 6: Final answer
    x = 638,243.97

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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.