Home / 1,319,730.54-1,821,268.50-775,766.52

Finding the Fourth Proportional to 1,319,730.54, 1,821,268.50 and 775,766.52

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Solution

The fourth proportional to 1,319,730.54, 1,821,268.50 and 775,766.52 is: 1,070,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,730.54 : 1,821,268.50 = 775,766.52 : x
  2. Step 2: Convert to fraction form
    1,319,730.54/1,821,268.50 = 775,766.52/x
  3. Step 3: Cross multiply
    1,319,730.54x = 1,821,268.50 × 775,766.52
  4. Step 4: Simplify right side
    1,319,730.54x = 1,412,879,126,230.62
  5. Step 5: Solve for x
    x = 1,412,879,126,230.62/1,319,730.54
  6. Step 6: Final answer
    x = 1,070,581.52

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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.