Home / 1,277,284.32-1,915,370.15-366,265.49

Finding the Fourth Proportional to 1,277,284.32, 1,915,370.15 and 366,265.49

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Solution

The fourth proportional to 1,277,284.32, 1,915,370.15 and 366,265.49 is: 549,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,284.32 : 1,915,370.15 = 366,265.49 : x
  2. Step 2: Convert to fraction form
    1,277,284.32/1,915,370.15 = 366,265.49/x
  3. Step 3: Cross multiply
    1,277,284.32x = 1,915,370.15 × 366,265.49
  4. Step 4: Simplify right side
    1,277,284.32x = 701,533,975,112.95
  5. Step 5: Solve for x
    x = 701,533,975,112.95/1,277,284.32
  6. Step 6: Final answer
    x = 549,238.70

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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.