Home / 829,076.40-1,243,614.60-810,644.40

Finding the Fourth Proportional to 829,076.40, 1,243,614.60 and 810,644.40

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Solution

The fourth proportional to 829,076.40, 1,243,614.60 and 810,644.40 is: 1,215,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076.40 : 1,243,614.60 = 810,644.40 : x
  2. Step 2: Convert to fraction form
    829,076.40/1,243,614.60 = 810,644.40/x
  3. Step 3: Cross multiply
    829,076.40x = 1,243,614.60 × 810,644.40
  4. Step 4: Simplify right side
    829,076.40x = 1,008,129,211,248.24
  5. Step 5: Solve for x
    x = 1,008,129,211,248.24/829,076.40
  6. Step 6: Final answer
    x = 1,215,966.60

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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.