Home / 1,294,212.88-1,786,019.75-750,670.48

Finding the Fourth Proportional to 1,294,212.88, 1,786,019.75 and 750,670.48

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Solution

The fourth proportional to 1,294,212.88, 1,786,019.75 and 750,670.48 is: 1,035,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,212.88 : 1,786,019.75 = 750,670.48 : x
  2. Step 2: Convert to fraction form
    1,294,212.88/1,786,019.75 = 750,670.48/x
  3. Step 3: Cross multiply
    1,294,212.88x = 1,786,019.75 × 750,670.48
  4. Step 4: Simplify right side
    1,294,212.88x = 1,340,712,300,433.61
  5. Step 5: Solve for x
    x = 1,340,712,300,433.61/1,294,212.88
  6. Step 6: Final answer
    x = 1,035,928.73

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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.