Home / 1,342,291.82-1,852,362.98-738,679.82

Finding the Fourth Proportional to 1,342,291.82, 1,852,362.98 and 738,679.82

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Solution

The fourth proportional to 1,342,291.82, 1,852,362.98 and 738,679.82 is: 1,019,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,291.82 : 1,852,362.98 = 738,679.82 : x
  2. Step 2: Convert to fraction form
    1,342,291.82/1,852,362.98 = 738,679.82/x
  3. Step 3: Cross multiply
    1,342,291.82x = 1,852,362.98 × 738,679.82
  4. Step 4: Simplify right side
    1,342,291.82x = 1,368,303,139,685.85
  5. Step 5: Solve for x
    x = 1,368,303,139,685.85/1,342,291.82
  6. Step 6: Final answer
    x = 1,019,378.29

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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.