Home / 1,567,431.13-2,163,078.66-879,255.54

Finding the Fourth Proportional to 1,567,431.13, 2,163,078.66 and 879,255.54

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Solution

The fourth proportional to 1,567,431.13, 2,163,078.66 and 879,255.54 is: 1,213,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,431.13 : 2,163,078.66 = 879,255.54 : x
  2. Step 2: Convert to fraction form
    1,567,431.13/2,163,078.66 = 879,255.54/x
  3. Step 3: Cross multiply
    1,567,431.13x = 2,163,078.66 × 879,255.54
  4. Step 4: Simplify right side
    1,567,431.13x = 1,901,898,895,260.78
  5. Step 5: Solve for x
    x = 1,901,898,895,260.78/1,567,431.13
  6. Step 6: Final answer
    x = 1,213,385.94

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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.