Home / 1,294,958.40-1,942,437.60-665,102.40

Finding the Fourth Proportional to 1,294,958.40, 1,942,437.60 and 665,102.40

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Solution

The fourth proportional to 1,294,958.40, 1,942,437.60 and 665,102.40 is: 997,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,958.40 : 1,942,437.60 = 665,102.40 : x
  2. Step 2: Convert to fraction form
    1,294,958.40/1,942,437.60 = 665,102.40/x
  3. Step 3: Cross multiply
    1,294,958.40x = 1,942,437.60 × 665,102.40
  4. Step 4: Simplify right side
    1,294,958.40x = 1,291,919,909,610.24
  5. Step 5: Solve for x
    x = 1,291,919,909,610.24/1,294,958.40
  6. Step 6: Final answer
    x = 997,653.60

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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.