Home / 1,363,679.86-1,879,922.12-1,072,785.84

Finding the Fourth Proportional to 1,363,679.86, 1,879,922.12 and 1,072,785.84

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Solution

The fourth proportional to 1,363,679.86, 1,879,922.12 and 1,072,785.84 is: 1,478,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,679.86 : 1,879,922.12 = 1,072,785.84 : x
  2. Step 2: Convert to fraction form
    1,363,679.86/1,879,922.12 = 1,072,785.84/x
  3. Step 3: Cross multiply
    1,363,679.86x = 1,879,922.12 × 1,072,785.84
  4. Step 4: Simplify right side
    1,363,679.86x = 2,016,753,830,638.78
  5. Step 5: Solve for x
    x = 2,016,753,830,638.78/1,363,679.86
  6. Step 6: Final answer
    x = 1,478,905.64

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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.