Home / 1,624,310.40-2,436,619.20-442,358.40

Finding the Fourth Proportional to 1,624,310.40, 2,436,619.20 and 442,358.40

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Solution

The fourth proportional to 1,624,310.40, 2,436,619.20 and 442,358.40 is: 663,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,310.40 : 2,436,619.20 = 442,358.40 : x
  2. Step 2: Convert to fraction form
    1,624,310.40/2,436,619.20 = 442,358.40/x
  3. Step 3: Cross multiply
    1,624,310.40x = 2,436,619.20 × 442,358.40
  4. Step 4: Simplify right side
    1,624,310.40x = 1,077,858,970,721.28
  5. Step 5: Solve for x
    x = 1,077,858,970,721.28/1,624,310.40
  6. Step 6: Final answer
    x = 663,579.43

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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.