Home / 1,097,260.52-1,515,078.50-842,207.72

Finding the Fourth Proportional to 1,097,260.52, 1,515,078.50 and 842,207.72

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Solution

The fourth proportional to 1,097,260.52, 1,515,078.50 and 842,207.72 is: 1,162,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,260.52 : 1,515,078.50 = 842,207.72 : x
  2. Step 2: Convert to fraction form
    1,097,260.52/1,515,078.50 = 842,207.72/x
  3. Step 3: Cross multiply
    1,097,260.52x = 1,515,078.50 × 842,207.72
  4. Step 4: Simplify right side
    1,097,260.52x = 1,276,010,809,106.02
  5. Step 5: Solve for x
    x = 1,276,010,809,106.02/1,097,260.52
  6. Step 6: Final answer
    x = 1,162,905.97

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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.