Home / 1,214,406.20-1,820,442.90-944,384.60

Finding the Fourth Proportional to 1,214,406.20, 1,820,442.90 and 944,384.60

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Solution

The fourth proportional to 1,214,406.20, 1,820,442.90 and 944,384.60 is: 1,415,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,406.20 : 1,820,442.90 = 944,384.60 : x
  2. Step 2: Convert to fraction form
    1,214,406.20/1,820,442.90 = 944,384.60/x
  3. Step 3: Cross multiply
    1,214,406.20x = 1,820,442.90 × 944,384.60
  4. Step 4: Simplify right side
    1,214,406.20x = 1,719,198,239,939.34
  5. Step 5: Solve for x
    x = 1,719,198,239,939.34/1,214,406.20
  6. Step 6: Final answer
    x = 1,415,669.85

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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.