Home / 1,219,246.20-1,828,869.30-740,949.30

Finding the Fourth Proportional to 1,219,246.20, 1,828,869.30 and 740,949.30

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Solution

The fourth proportional to 1,219,246.20, 1,828,869.30 and 740,949.30 is: 1,111,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,246.20 : 1,828,869.30 = 740,949.30 : x
  2. Step 2: Convert to fraction form
    1,219,246.20/1,828,869.30 = 740,949.30/x
  3. Step 3: Cross multiply
    1,219,246.20x = 1,828,869.30 × 740,949.30
  4. Step 4: Simplify right side
    1,219,246.20x = 1,355,099,427,626.49
  5. Step 5: Solve for x
    x = 1,355,099,427,626.49/1,219,246.20
  6. Step 6: Final answer
    x = 1,111,423.95

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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.