Home / 1,342,325.76-1,852,408.89-738,713.76

Finding the Fourth Proportional to 1,342,325.76, 1,852,408.89 and 738,713.76

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Solution

The fourth proportional to 1,342,325.76, 1,852,408.89 and 738,713.76 is: 1,019,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,325.76 : 1,852,408.89 = 738,713.76 : x
  2. Step 2: Convert to fraction form
    1,342,325.76/1,852,408.89 = 738,713.76/x
  3. Step 3: Cross multiply
    1,342,325.76x = 1,852,408.89 × 738,713.76
  4. Step 4: Simplify right side
    1,342,325.76x = 1,368,399,936,189.33
  5. Step 5: Solve for x
    x = 1,368,399,936,189.33/1,342,325.76
  6. Step 6: Final answer
    x = 1,019,424.63

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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.