Home / 1,212,721.54-1,820,344-893,234.14

Finding the Fourth Proportional to 1,212,721.54, 1,820,344 and 893,234.14

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Solution

The fourth proportional to 1,212,721.54, 1,820,344 and 893,234.14 is: 1,340,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,721.54 : 1,820,344 = 893,234.14 : x
  2. Step 2: Convert to fraction form
    1,212,721.54/1,820,344 = 893,234.14/x
  3. Step 3: Cross multiply
    1,212,721.54x = 1,820,344 × 893,234.14
  4. Step 4: Simplify right side
    1,212,721.54x = 1,625,993,407,344.16
  5. Step 5: Solve for x
    x = 1,625,993,407,344.16/1,212,721.54
  6. Step 6: Final answer
    x = 1,340,780.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.