Home / 1,667,161.77-2,300,685.65-903,215.31

Finding the Fourth Proportional to 1,667,161.77, 2,300,685.65 and 903,215.31

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Solution

The fourth proportional to 1,667,161.77, 2,300,685.65 and 903,215.31 is: 1,246,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,161.77 : 2,300,685.65 = 903,215.31 : x
  2. Step 2: Convert to fraction form
    1,667,161.77/2,300,685.65 = 903,215.31/x
  3. Step 3: Cross multiply
    1,667,161.77x = 2,300,685.65 × 903,215.31
  4. Step 4: Simplify right side
    1,667,161.77x = 2,078,014,502,577.30
  5. Step 5: Solve for x
    x = 2,078,014,502,577.30/1,667,161.77
  6. Step 6: Final answer
    x = 1,246,438.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.