Home / 1,396,132.89-1,926,841.55-852,152.28

Finding the Fourth Proportional to 1,396,132.89, 1,926,841.55 and 852,152.28

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Solution

The fourth proportional to 1,396,132.89, 1,926,841.55 and 852,152.28 is: 1,176,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,132.89 : 1,926,841.55 = 852,152.28 : x
  2. Step 2: Convert to fraction form
    1,396,132.89/1,926,841.55 = 852,152.28/x
  3. Step 3: Cross multiply
    1,396,132.89x = 1,926,841.55 × 852,152.28
  4. Step 4: Simplify right side
    1,396,132.89x = 1,641,962,415,770.47
  5. Step 5: Solve for x
    x = 1,641,962,415,770.47/1,396,132.89
  6. Step 6: Final answer
    x = 1,176,078.89

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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.