Home / 1,121,445-1,682,867.34-456,597

Finding the Fourth Proportional to 1,121,445, 1,682,867.34 and 456,597

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Solution

The fourth proportional to 1,121,445, 1,682,867.34 and 456,597 is: 685,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,445 : 1,682,867.34 = 456,597 : x
  2. Step 2: Convert to fraction form
    1,121,445/1,682,867.34 = 456,597/x
  3. Step 3: Cross multiply
    1,121,445x = 1,682,867.34 × 456,597
  4. Step 4: Simplify right side
    1,121,445x = 768,392,178,841.98
  5. Step 5: Solve for x
    x = 768,392,178,841.98/1,121,445
  6. Step 6: Final answer
    x = 685,180.44

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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.