Home / 1,115,213.51-1,669,201.05-602,165.43

Finding the Fourth Proportional to 1,115,213.51, 1,669,201.05 and 602,165.43

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Solution

The fourth proportional to 1,115,213.51, 1,669,201.05 and 602,165.43 is: 901,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,213.51 : 1,669,201.05 = 602,165.43 : x
  2. Step 2: Convert to fraction form
    1,115,213.51/1,669,201.05 = 602,165.43/x
  3. Step 3: Cross multiply
    1,115,213.51x = 1,669,201.05 × 602,165.43
  4. Step 4: Simplify right side
    1,115,213.51x = 1,005,135,168,029.70
  5. Step 5: Solve for x
    x = 1,005,135,168,029.70/1,115,213.51
  6. Step 6: Final answer
    x = 901,293.93

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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.