Home / 1,294,612.40-1,942,793.40-725,992.40

Finding the Fourth Proportional to 1,294,612.40, 1,942,793.40 and 725,992.40

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Solution

The fourth proportional to 1,294,612.40, 1,942,793.40 and 725,992.40 is: 1,089,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,612.40 : 1,942,793.40 = 725,992.40 : x
  2. Step 2: Convert to fraction form
    1,294,612.40/1,942,793.40 = 725,992.40/x
  3. Step 3: Cross multiply
    1,294,612.40x = 1,942,793.40 × 725,992.40
  4. Step 4: Simplify right side
    1,294,612.40x = 1,410,453,243,170.16
  5. Step 5: Solve for x
    x = 1,410,453,243,170.16/1,294,612.40
  6. Step 6: Final answer
    x = 1,089,479.17

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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.