Home / 974,748.40-1,462,122.60-820,783.60

Finding the Fourth Proportional to 974,748.40, 1,462,122.60 and 820,783.60

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Solution

The fourth proportional to 974,748.40, 1,462,122.60 and 820,783.60 is: 1,231,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,748.40 : 1,462,122.60 = 820,783.60 : x
  2. Step 2: Convert to fraction form
    974,748.40/1,462,122.60 = 820,783.60/x
  3. Step 3: Cross multiply
    974,748.40x = 1,462,122.60 × 820,783.60
  4. Step 4: Simplify right side
    974,748.40x = 1,200,086,251,269.36
  5. Step 5: Solve for x
    x = 1,200,086,251,269.36/974,748.40
  6. Step 6: Final answer
    x = 1,231,175.40

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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.