Home / 1,662,433.20-2,493,066.60-863,449.20

Finding the Fourth Proportional to 1,662,433.20, 2,493,066.60 and 863,449.20

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Solution

The fourth proportional to 1,662,433.20, 2,493,066.60 and 863,449.20 is: 1,294,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,433.20 : 2,493,066.60 = 863,449.20 : x
  2. Step 2: Convert to fraction form
    1,662,433.20/2,493,066.60 = 863,449.20/x
  3. Step 3: Cross multiply
    1,662,433.20x = 2,493,066.60 × 863,449.20
  4. Step 4: Simplify right side
    1,662,433.20x = 2,152,636,361,316.72
  5. Step 5: Solve for x
    x = 2,152,636,361,316.72/1,662,433.20
  6. Step 6: Final answer
    x = 1,294,870.89

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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.