Home / 865,489.34-1,297,073.58-673,595.54

Finding the Fourth Proportional to 865,489.34, 1,297,073.58 and 673,595.54

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Solution

The fourth proportional to 865,489.34, 1,297,073.58 and 673,595.54 is: 1,009,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,489.34 : 1,297,073.58 = 673,595.54 : x
  2. Step 2: Convert to fraction form
    865,489.34/1,297,073.58 = 673,595.54/x
  3. Step 3: Cross multiply
    865,489.34x = 1,297,073.58 × 673,595.54
  4. Step 4: Simplify right side
    865,489.34x = 873,702,978,539.83
  5. Step 5: Solve for x
    x = 873,702,978,539.83/865,489.34
  6. Step 6: Final answer
    x = 1,009,490.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.