Home / 1,108,019.36-1,662,045.67-309,305.09

Finding the Fourth Proportional to 1,108,019.36, 1,662,045.67 and 309,305.09

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Solution

The fourth proportional to 1,108,019.36, 1,662,045.67 and 309,305.09 is: 463,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,019.36 : 1,662,045.67 = 309,305.09 : x
  2. Step 2: Convert to fraction form
    1,108,019.36/1,662,045.67 = 309,305.09/x
  3. Step 3: Cross multiply
    1,108,019.36x = 1,662,045.67 × 309,305.09
  4. Step 4: Simplify right side
    1,108,019.36x = 514,079,178,996.36
  5. Step 5: Solve for x
    x = 514,079,178,996.36/1,108,019.36
  6. Step 6: Final answer
    x = 463,962.27

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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.