Home / 1,339,315.68-1,848,270.62-788,153.25

Finding the Fourth Proportional to 1,339,315.68, 1,848,270.62 and 788,153.25

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Solution

The fourth proportional to 1,339,315.68, 1,848,270.62 and 788,153.25 is: 1,087,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,315.68 : 1,848,270.62 = 788,153.25 : x
  2. Step 2: Convert to fraction form
    1,339,315.68/1,848,270.62 = 788,153.25/x
  3. Step 3: Cross multiply
    1,339,315.68x = 1,848,270.62 × 788,153.25
  4. Step 4: Simplify right side
    1,339,315.68x = 1,456,720,492,091.75
  5. Step 5: Solve for x
    x = 1,456,720,492,091.75/1,339,315.68
  6. Step 6: Final answer
    x = 1,087,660.30

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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.