Home / 1,624,406.40-2,436,998.40-825,811.20

Finding the Fourth Proportional to 1,624,406.40, 2,436,998.40 and 825,811.20

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Solution

The fourth proportional to 1,624,406.40, 2,436,998.40 and 825,811.20 is: 1,238,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,406.40 : 2,436,998.40 = 825,811.20 : x
  2. Step 2: Convert to fraction form
    1,624,406.40/2,436,998.40 = 825,811.20/x
  3. Step 3: Cross multiply
    1,624,406.40x = 2,436,998.40 × 825,811.20
  4. Step 4: Simplify right side
    1,624,406.40x = 2,012,500,573,102.08
  5. Step 5: Solve for x
    x = 2,012,500,573,102.08/1,624,406.40
  6. Step 6: Final answer
    x = 1,238,914.46

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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.