Home / 1,028,434.56-1,419,321.60-757,739.04

Finding the Fourth Proportional to 1,028,434.56, 1,419,321.60 and 757,739.04

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Solution

The fourth proportional to 1,028,434.56, 1,419,321.60 and 757,739.04 is: 1,045,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,434.56 : 1,419,321.60 = 757,739.04 : x
  2. Step 2: Convert to fraction form
    1,028,434.56/1,419,321.60 = 757,739.04/x
  3. Step 3: Cross multiply
    1,028,434.56x = 1,419,321.60 × 757,739.04
  4. Step 4: Simplify right side
    1,028,434.56x = 1,075,475,386,635.26
  5. Step 5: Solve for x
    x = 1,075,475,386,635.26/1,028,434.56
  6. Step 6: Final answer
    x = 1,045,740.22

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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.