Home / 829,934.20-1,244,901.30-818,124.40

Finding the Fourth Proportional to 829,934.20, 1,244,901.30 and 818,124.40

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Solution

The fourth proportional to 829,934.20, 1,244,901.30 and 818,124.40 is: 1,227,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,934.20 : 1,244,901.30 = 818,124.40 : x
  2. Step 2: Convert to fraction form
    829,934.20/1,244,901.30 = 818,124.40/x
  3. Step 3: Cross multiply
    829,934.20x = 1,244,901.30 × 818,124.40
  4. Step 4: Simplify right side
    829,934.20x = 1,018,484,129,121.72
  5. Step 5: Solve for x
    x = 1,018,484,129,121.72/829,934.20
  6. Step 6: Final answer
    x = 1,227,186.60

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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.