Home / 1,284,242.42-1,772,267.56-774,846.38

Finding the Fourth Proportional to 1,284,242.42, 1,772,267.56 and 774,846.38

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Solution

The fourth proportional to 1,284,242.42, 1,772,267.56 and 774,846.38 is: 1,069,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,242.42 : 1,772,267.56 = 774,846.38 : x
  2. Step 2: Convert to fraction form
    1,284,242.42/1,772,267.56 = 774,846.38/x
  3. Step 3: Cross multiply
    1,284,242.42x = 1,772,267.56 × 774,846.38
  4. Step 4: Simplify right side
    1,284,242.42x = 1,373,235,092,458.98
  5. Step 5: Solve for x
    x = 1,373,235,092,458.98/1,284,242.42
  6. Step 6: Final answer
    x = 1,069,295.86

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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.