Home / 1,342,324.65-1,852,408.31-738,712.65

Finding the Fourth Proportional to 1,342,324.65, 1,852,408.31 and 738,712.65

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Solution

The fourth proportional to 1,342,324.65, 1,852,408.31 and 738,712.65 is: 1,019,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,324.65 : 1,852,408.31 = 738,712.65 : x
  2. Step 2: Convert to fraction form
    1,342,324.65/1,852,408.31 = 738,712.65/x
  3. Step 3: Cross multiply
    1,342,324.65x = 1,852,408.31 × 738,712.65
  4. Step 4: Simplify right side
    1,342,324.65x = 1,368,397,453,408.90
  5. Step 5: Solve for x
    x = 1,368,397,453,408.90/1,342,324.65
  6. Step 6: Final answer
    x = 1,019,423.62

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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.