Home / 1,624,487.04-2,436,811.20-426,412.80

Finding the Fourth Proportional to 1,624,487.04, 2,436,811.20 and 426,412.80

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Solution

The fourth proportional to 1,624,487.04, 2,436,811.20 and 426,412.80 is: 639,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,487.04 : 2,436,811.20 = 426,412.80 : x
  2. Step 2: Convert to fraction form
    1,624,487.04/2,436,811.20 = 426,412.80/x
  3. Step 3: Cross multiply
    1,624,487.04x = 2,436,811.20 × 426,412.80
  4. Step 4: Simplify right side
    1,624,487.04x = 1,039,087,486,863.36
  5. Step 5: Solve for x
    x = 1,039,087,486,863.36/1,624,487.04
  6. Step 6: Final answer
    x = 639,640.37

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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.