Home / 1,210,508.10-1,816,014.72-641,734.75

Finding the Fourth Proportional to 1,210,508.10, 1,816,014.72 and 641,734.75

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Solution

The fourth proportional to 1,210,508.10, 1,816,014.72 and 641,734.75 is: 962,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,508.10 : 1,816,014.72 = 641,734.75 : x
  2. Step 2: Convert to fraction form
    1,210,508.10/1,816,014.72 = 641,734.75/x
  3. Step 3: Cross multiply
    1,210,508.10x = 1,816,014.72 × 641,734.75
  4. Step 4: Simplify right side
    1,210,508.10x = 1,165,399,759,940.34
  5. Step 5: Solve for x
    x = 1,165,399,759,940.34/1,210,508.10
  6. Step 6: Final answer
    x = 962,736.03

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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.