Home / 1,338,448.69-2,007,673.02-391,819.39

Finding the Fourth Proportional to 1,338,448.69, 2,007,673.02 and 391,819.39

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Solution

The fourth proportional to 1,338,448.69, 2,007,673.02 and 391,819.39 is: 587,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,448.69 : 2,007,673.02 = 391,819.39 : x
  2. Step 2: Convert to fraction form
    1,338,448.69/2,007,673.02 = 391,819.39/x
  3. Step 3: Cross multiply
    1,338,448.69x = 2,007,673.02 × 391,819.39
  4. Step 4: Simplify right side
    1,338,448.69x = 786,645,218,015.86
  5. Step 5: Solve for x
    x = 786,645,218,015.86/1,338,448.69
  6. Step 6: Final answer
    x = 587,729.08

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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.