Home / 1,213,694.20-1,818,135.60-1,064,103.40

Finding the Fourth Proportional to 1,213,694.20, 1,818,135.60 and 1,064,103.40

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Solution

The fourth proportional to 1,213,694.20, 1,818,135.60 and 1,064,103.40 is: 1,594,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,694.20 : 1,818,135.60 = 1,064,103.40 : x
  2. Step 2: Convert to fraction form
    1,213,694.20/1,818,135.60 = 1,064,103.40/x
  3. Step 3: Cross multiply
    1,213,694.20x = 1,818,135.60 × 1,064,103.40
  4. Step 4: Simplify right side
    1,213,694.20x = 1,934,684,273,621.04
  5. Step 5: Solve for x
    x = 1,934,684,273,621.04/1,213,694.20
  6. Step 6: Final answer
    x = 1,594,045.91

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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.