Home / 1,079,447.40-1,616,579.10-579,709.80

Finding the Fourth Proportional to 1,079,447.40, 1,616,579.10 and 579,709.80

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Solution

The fourth proportional to 1,079,447.40, 1,616,579.10 and 579,709.80 is: 868,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,447.40 : 1,616,579.10 = 579,709.80 : x
  2. Step 2: Convert to fraction form
    1,079,447.40/1,616,579.10 = 579,709.80/x
  3. Step 3: Cross multiply
    1,079,447.40x = 1,616,579.10 × 579,709.80
  4. Step 4: Simplify right side
    1,079,447.40x = 937,146,746,745.18
  5. Step 5: Solve for x
    x = 937,146,746,745.18/1,079,447.40
  6. Step 6: Final answer
    x = 868,172.68

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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.