Home / 1,277,289.82-1,915,378.38-366,271

Finding the Fourth Proportional to 1,277,289.82, 1,915,378.38 and 366,271

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Solution

The fourth proportional to 1,277,289.82, 1,915,378.38 and 366,271 is: 549,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,289.82 : 1,915,378.38 = 366,271 : x
  2. Step 2: Convert to fraction form
    1,277,289.82/1,915,378.38 = 366,271/x
  3. Step 3: Cross multiply
    1,277,289.82x = 1,915,378.38 × 366,271
  4. Step 4: Simplify right side
    1,277,289.82x = 701,547,554,620.98
  5. Step 5: Solve for x
    x = 701,547,554,620.98/1,277,289.82
  6. Step 6: Final answer
    x = 549,246.96

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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.