Home / 1,774,012.70-2,661,019.05-1,214,140.70

Finding the Fourth Proportional to 1,774,012.70, 2,661,019.05 and 1,214,140.70

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Solution

The fourth proportional to 1,774,012.70, 2,661,019.05 and 1,214,140.70 is: 1,821,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,012.70 : 2,661,019.05 = 1,214,140.70 : x
  2. Step 2: Convert to fraction form
    1,774,012.70/2,661,019.05 = 1,214,140.70/x
  3. Step 3: Cross multiply
    1,774,012.70x = 2,661,019.05 × 1,214,140.70
  4. Step 4: Simplify right side
    1,774,012.70x = 3,230,851,532,080.33
  5. Step 5: Solve for x
    x = 3,230,851,532,080.33/1,774,012.70
  6. Step 6: Final answer
    x = 1,821,211.05

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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.