Home / 1,236,908.40-1,855,362.60-739,244.40

Finding the Fourth Proportional to 1,236,908.40, 1,855,362.60 and 739,244.40

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Solution

The fourth proportional to 1,236,908.40, 1,855,362.60 and 739,244.40 is: 1,108,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,908.40 : 1,855,362.60 = 739,244.40 : x
  2. Step 2: Convert to fraction form
    1,236,908.40/1,855,362.60 = 739,244.40/x
  3. Step 3: Cross multiply
    1,236,908.40x = 1,855,362.60 × 739,244.40
  4. Step 4: Simplify right side
    1,236,908.40x = 1,371,566,412,019.44
  5. Step 5: Solve for x
    x = 1,371,566,412,019.44/1,236,908.40
  6. Step 6: Final answer
    x = 1,108,866.60

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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.