Home / 1,294,677.40-1,942,890.90-726,057.40

Finding the Fourth Proportional to 1,294,677.40, 1,942,890.90 and 726,057.40

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Solution

The fourth proportional to 1,294,677.40, 1,942,890.90 and 726,057.40 is: 1,089,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,677.40 : 1,942,890.90 = 726,057.40 : x
  2. Step 2: Convert to fraction form
    1,294,677.40/1,942,890.90 = 726,057.40/x
  3. Step 3: Cross multiply
    1,294,677.40x = 1,942,890.90 × 726,057.40
  4. Step 4: Simplify right side
    1,294,677.40x = 1,410,650,315,337.66
  5. Step 5: Solve for x
    x = 1,410,650,315,337.66/1,294,677.40
  6. Step 6: Final answer
    x = 1,089,576.69

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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.