Home / 1,277,287.32-1,915,374.63-366,268.50

Finding the Fourth Proportional to 1,277,287.32, 1,915,374.63 and 366,268.50

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Solution

The fourth proportional to 1,277,287.32, 1,915,374.63 and 366,268.50 is: 549,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,287.32 : 1,915,374.63 = 366,268.50 : x
  2. Step 2: Convert to fraction form
    1,277,287.32/1,915,374.63 = 366,268.50/x
  3. Step 3: Cross multiply
    1,277,287.32x = 1,915,374.63 × 366,268.50
  4. Step 4: Simplify right side
    1,277,287.32x = 701,541,392,668.16
  5. Step 5: Solve for x
    x = 701,541,392,668.16/1,277,287.32
  6. Step 6: Final answer
    x = 549,243.21

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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.