Home / 1,478,369.67-2,040,149.80-833,788.47

Finding the Fourth Proportional to 1,478,369.67, 2,040,149.80 and 833,788.47

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Solution

The fourth proportional to 1,478,369.67, 2,040,149.80 and 833,788.47 is: 1,150,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,369.67 : 2,040,149.80 = 833,788.47 : x
  2. Step 2: Convert to fraction form
    1,478,369.67/2,040,149.80 = 833,788.47/x
  3. Step 3: Cross multiply
    1,478,369.67x = 2,040,149.80 × 833,788.47
  4. Step 4: Simplify right side
    1,478,369.67x = 1,701,053,380,312.81
  5. Step 5: Solve for x
    x = 1,701,053,380,312.81/1,478,369.67
  6. Step 6: Final answer
    x = 1,150,627.89

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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.