Home / 1,028,245.28-1,542,811.76-397,603.36

Finding the Fourth Proportional to 1,028,245.28, 1,542,811.76 and 397,603.36

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Solution

The fourth proportional to 1,028,245.28, 1,542,811.76 and 397,603.36 is: 596,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,245.28 : 1,542,811.76 = 397,603.36 : x
  2. Step 2: Convert to fraction form
    1,028,245.28/1,542,811.76 = 397,603.36/x
  3. Step 3: Cross multiply
    1,028,245.28x = 1,542,811.76 × 397,603.36
  4. Step 4: Simplify right side
    1,028,245.28x = 613,427,139,623.51
  5. Step 5: Solve for x
    x = 613,427,139,623.51/1,028,245.28
  6. Step 6: Final answer
    x = 596,576.66

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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.