Home / 1,576,667.72-2,365,014.54-678,047.24

Finding the Fourth Proportional to 1,576,667.72, 2,365,014.54 and 678,047.24

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Solution

The fourth proportional to 1,576,667.72, 2,365,014.54 and 678,047.24 is: 1,017,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,667.72 : 2,365,014.54 = 678,047.24 : x
  2. Step 2: Convert to fraction form
    1,576,667.72/2,365,014.54 = 678,047.24/x
  3. Step 3: Cross multiply
    1,576,667.72x = 2,365,014.54 × 678,047.24
  4. Step 4: Simplify right side
    1,576,667.72x = 1,603,591,581,406.87
  5. Step 5: Solve for x
    x = 1,603,591,581,406.87/1,576,667.72
  6. Step 6: Final answer
    x = 1,017,076.43

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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.