Home / 1,667,539.20-2,300,949.63-942,122.25

Finding the Fourth Proportional to 1,667,539.20, 2,300,949.63 and 942,122.25

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Solution

The fourth proportional to 1,667,539.20, 2,300,949.63 and 942,122.25 is: 1,299,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,539.20 : 2,300,949.63 = 942,122.25 : x
  2. Step 2: Convert to fraction form
    1,667,539.20/2,300,949.63 = 942,122.25/x
  3. Step 3: Cross multiply
    1,667,539.20x = 2,300,949.63 × 942,122.25
  4. Step 4: Simplify right side
    1,667,539.20x = 2,167,775,842,552.27
  5. Step 5: Solve for x
    x = 2,167,775,842,552.27/1,667,539.20
  6. Step 6: Final answer
    x = 1,299,984.94

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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.