Home / 1,815,432.40-2,723,148.60-820,104.40

Finding the Fourth Proportional to 1,815,432.40, 2,723,148.60 and 820,104.40

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Solution

The fourth proportional to 1,815,432.40, 2,723,148.60 and 820,104.40 is: 1,230,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,432.40 : 2,723,148.60 = 820,104.40 : x
  2. Step 2: Convert to fraction form
    1,815,432.40/2,723,148.60 = 820,104.40/x
  3. Step 3: Cross multiply
    1,815,432.40x = 2,723,148.60 × 820,104.40
  4. Step 4: Simplify right side
    1,815,432.40x = 2,233,266,148,713.84
  5. Step 5: Solve for x
    x = 2,233,266,148,713.84/1,815,432.40
  6. Step 6: Final answer
    x = 1,230,156.60

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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.