Home / 1,115,212.51-1,669,199.55-602,164.43

Finding the Fourth Proportional to 1,115,212.51, 1,669,199.55 and 602,164.43

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Solution

The fourth proportional to 1,115,212.51, 1,669,199.55 and 602,164.43 is: 901,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,212.51 : 1,669,199.55 = 602,164.43 : x
  2. Step 2: Convert to fraction form
    1,115,212.51/1,669,199.55 = 602,164.43/x
  3. Step 3: Cross multiply
    1,115,212.51x = 1,669,199.55 × 602,164.43
  4. Step 4: Simplify right side
    1,115,212.51x = 1,005,132,594,624.57
  5. Step 5: Solve for x
    x = 1,005,132,594,624.57/1,115,212.51
  6. Step 6: Final answer
    x = 901,292.43

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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.