Home / 1,248,743.63-1,722,096.74-828,896.93

Finding the Fourth Proportional to 1,248,743.63, 1,722,096.74 and 828,896.93

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Solution

The fourth proportional to 1,248,743.63, 1,722,096.74 and 828,896.93 is: 1,143,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,743.63 : 1,722,096.74 = 828,896.93 : x
  2. Step 2: Convert to fraction form
    1,248,743.63/1,722,096.74 = 828,896.93/x
  3. Step 3: Cross multiply
    1,248,743.63x = 1,722,096.74 × 828,896.93
  4. Step 4: Simplify right side
    1,248,743.63x = 1,427,440,688,194.04
  5. Step 5: Solve for x
    x = 1,427,440,688,194.04/1,248,743.63
  6. Step 6: Final answer
    x = 1,143,101.48

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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.