Home / 1,028,130.56-1,542,564.80-459,464.03

Finding the Fourth Proportional to 1,028,130.56, 1,542,564.80 and 459,464.03

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Solution

The fourth proportional to 1,028,130.56, 1,542,564.80 and 459,464.03 is: 689,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,130.56 : 1,542,564.80 = 459,464.03 : x
  2. Step 2: Convert to fraction form
    1,028,130.56/1,542,564.80 = 459,464.03/x
  3. Step 3: Cross multiply
    1,028,130.56x = 1,542,564.80 × 459,464.03
  4. Step 4: Simplify right side
    1,028,130.56x = 708,753,039,544.14
  5. Step 5: Solve for x
    x = 708,753,039,544.14/1,028,130.56
  6. Step 6: Final answer
    x = 689,360.93

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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.