Home / 1,326,173.50-1,830,119.43-722,561.50

Finding the Fourth Proportional to 1,326,173.50, 1,830,119.43 and 722,561.50

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Solution

The fourth proportional to 1,326,173.50, 1,830,119.43 and 722,561.50 is: 997,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,173.50 : 1,830,119.43 = 722,561.50 : x
  2. Step 2: Convert to fraction form
    1,326,173.50/1,830,119.43 = 722,561.50/x
  3. Step 3: Cross multiply
    1,326,173.50x = 1,830,119.43 × 722,561.50
  4. Step 4: Simplify right side
    1,326,173.50x = 1,322,373,840,519.95
  5. Step 5: Solve for x
    x = 1,322,373,840,519.95/1,326,173.50
  6. Step 6: Final answer
    x = 997,134.87

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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.