Home / 866,300.44-1,297,432.14-842,384.92

Finding the Fourth Proportional to 866,300.44, 1,297,432.14 and 842,384.92

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Solution

The fourth proportional to 866,300.44, 1,297,432.14 and 842,384.92 is: 1,261,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,300.44 : 1,297,432.14 = 842,384.92 : x
  2. Step 2: Convert to fraction form
    866,300.44/1,297,432.14 = 842,384.92/x
  3. Step 3: Cross multiply
    866,300.44x = 1,297,432.14 × 842,384.92
  4. Step 4: Simplify right side
    866,300.44x = 1,092,937,269,459.33
  5. Step 5: Solve for x
    x = 1,092,937,269,459.33/866,300.44
  6. Step 6: Final answer
    x = 1,261,614.58

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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.