Home / 1,372,502.34-1,893,599.28-828,431.46

Finding the Fourth Proportional to 1,372,502.34, 1,893,599.28 and 828,431.46

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Solution

The fourth proportional to 1,372,502.34, 1,893,599.28 and 828,431.46 is: 1,142,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,502.34 : 1,893,599.28 = 828,431.46 : x
  2. Step 2: Convert to fraction form
    1,372,502.34/1,893,599.28 = 828,431.46/x
  3. Step 3: Cross multiply
    1,372,502.34x = 1,893,599.28 × 828,431.46
  4. Step 4: Simplify right side
    1,372,502.34x = 1,568,717,216,185.35
  5. Step 5: Solve for x
    x = 1,568,717,216,185.35/1,372,502.34
  6. Step 6: Final answer
    x = 1,142,961.41

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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.