Home / 1,213,162.20-1,818,576.90-943,140.60

Finding the Fourth Proportional to 1,213,162.20, 1,818,576.90 and 943,140.60

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Solution

The fourth proportional to 1,213,162.20, 1,818,576.90 and 943,140.60 is: 1,413,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,162.20 : 1,818,576.90 = 943,140.60 : x
  2. Step 2: Convert to fraction form
    1,213,162.20/1,818,576.90 = 943,140.60/x
  3. Step 3: Cross multiply
    1,213,162.20x = 1,818,576.90 × 943,140.60
  4. Step 4: Simplify right side
    1,213,162.20x = 1,715,173,708,612.14
  5. Step 5: Solve for x
    x = 1,715,173,708,612.14/1,213,162.20
  6. Step 6: Final answer
    x = 1,413,804.11

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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.