Home / 1,142,861.43-1,576,829.52-900,392.52

Finding the Fourth Proportional to 1,142,861.43, 1,576,829.52 and 900,392.52

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Solution

The fourth proportional to 1,142,861.43, 1,576,829.52 and 900,392.52 is: 1,242,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,861.43 : 1,576,829.52 = 900,392.52 : x
  2. Step 2: Convert to fraction form
    1,142,861.43/1,576,829.52 = 900,392.52/x
  3. Step 3: Cross multiply
    1,142,861.43x = 1,576,829.52 × 900,392.52
  4. Step 4: Simplify right side
    1,142,861.43x = 1,419,765,505,123.19
  5. Step 5: Solve for x
    x = 1,419,765,505,123.19/1,142,861.43
  6. Step 6: Final answer
    x = 1,242,290.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.