Home / 1,216,893.70-1,821,841.35-744,501.70

Finding the Fourth Proportional to 1,216,893.70, 1,821,841.35 and 744,501.70

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Solution

The fourth proportional to 1,216,893.70, 1,821,841.35 and 744,501.70 is: 1,114,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,893.70 : 1,821,841.35 = 744,501.70 : x
  2. Step 2: Convert to fraction form
    1,216,893.70/1,821,841.35 = 744,501.70/x
  3. Step 3: Cross multiply
    1,216,893.70x = 1,821,841.35 × 744,501.70
  4. Step 4: Simplify right side
    1,216,893.70x = 1,356,363,982,205.30
  5. Step 5: Solve for x
    x = 1,356,363,982,205.30/1,216,893.70
  6. Step 6: Final answer
    x = 1,114,611.72

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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.