Home / 1,478,422.80-2,040,222.87-833,841.54

Finding the Fourth Proportional to 1,478,422.80, 2,040,222.87 and 833,841.54

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Solution

The fourth proportional to 1,478,422.80, 2,040,222.87 and 833,841.54 is: 1,150,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,422.80 : 2,040,222.87 = 833,841.54 : x
  2. Step 2: Convert to fraction form
    1,478,422.80/2,040,222.87 = 833,841.54/x
  3. Step 3: Cross multiply
    1,478,422.80x = 2,040,222.87 × 833,841.54
  4. Step 4: Simplify right side
    1,478,422.80x = 1,701,222,579,864.02
  5. Step 5: Solve for x
    x = 1,701,222,579,864.02/1,478,422.80
  6. Step 6: Final answer
    x = 1,150,700.99

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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.