Home / 1,142,858.43-1,576,825.38-900,389.52

Finding the Fourth Proportional to 1,142,858.43, 1,576,825.38 and 900,389.52

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Solution

The fourth proportional to 1,142,858.43, 1,576,825.38 and 900,389.52 is: 1,242,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,858.43 : 1,576,825.38 = 900,389.52 : x
  2. Step 2: Convert to fraction form
    1,142,858.43/1,576,825.38 = 900,389.52/x
  3. Step 3: Cross multiply
    1,142,858.43x = 1,576,825.38 × 900,389.52
  4. Step 4: Simplify right side
    1,142,858.43x = 1,419,757,047,022.02
  5. Step 5: Solve for x
    x = 1,419,757,047,022.02/1,142,858.43
  6. Step 6: Final answer
    x = 1,242,286.02

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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.