Home / 972,190.66-1,341,422.77-558,647.54

Finding the Fourth Proportional to 972,190.66, 1,341,422.77 and 558,647.54

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Solution

The fourth proportional to 972,190.66, 1,341,422.77 and 558,647.54 is: 770,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,190.66 : 1,341,422.77 = 558,647.54 : x
  2. Step 2: Convert to fraction form
    972,190.66/1,341,422.77 = 558,647.54/x
  3. Step 3: Cross multiply
    972,190.66x = 1,341,422.77 × 558,647.54
  4. Step 4: Simplify right side
    972,190.66x = 749,382,530,560.49
  5. Step 5: Solve for x
    x = 749,382,530,560.49/972,190.66
  6. Step 6: Final answer
    x = 770,818.48

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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.