Home / 1,576,912.64-2,365,334.40-678,951.68

Finding the Fourth Proportional to 1,576,912.64, 2,365,334.40 and 678,951.68

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Solution

The fourth proportional to 1,576,912.64, 2,365,334.40 and 678,951.68 is: 1,018,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,912.64 : 2,365,334.40 = 678,951.68 : x
  2. Step 2: Convert to fraction form
    1,576,912.64/2,365,334.40 = 678,951.68/x
  3. Step 3: Cross multiply
    1,576,912.64x = 2,365,334.40 × 678,951.68
  4. Step 4: Simplify right side
    1,576,912.64x = 1,605,947,764,641.79
  5. Step 5: Solve for x
    x = 1,605,947,764,641.79/1,576,912.64
  6. Step 6: Final answer
    x = 1,018,412.64

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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.