Home / 1,261,285.92-1,740,558.24-771,091.74

Finding the Fourth Proportional to 1,261,285.92, 1,740,558.24 and 771,091.74

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Solution

The fourth proportional to 1,261,285.92, 1,740,558.24 and 771,091.74 is: 1,064,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,285.92 : 1,740,558.24 = 771,091.74 : x
  2. Step 2: Convert to fraction form
    1,261,285.92/1,740,558.24 = 771,091.74/x
  3. Step 3: Cross multiply
    1,261,285.92x = 1,740,558.24 × 771,091.74
  4. Step 4: Simplify right side
    1,261,285.92x = 1,342,130,081,852.94
  5. Step 5: Solve for x
    x = 1,342,130,081,852.94/1,261,285.92
  6. Step 6: Final answer
    x = 1,064,096.62

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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.