Home / 1,663,222.20-2,495,999.70-1,065,636.60

Finding the Fourth Proportional to 1,663,222.20, 2,495,999.70 and 1,065,636.60

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Solution

The fourth proportional to 1,663,222.20, 2,495,999.70 and 1,065,636.60 is: 1,599,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,222.20 : 2,495,999.70 = 1,065,636.60 : x
  2. Step 2: Convert to fraction form
    1,663,222.20/2,495,999.70 = 1,065,636.60/x
  3. Step 3: Cross multiply
    1,663,222.20x = 2,495,999.70 × 1,065,636.60
  4. Step 4: Simplify right side
    1,663,222.20x = 2,659,828,633,909.02
  5. Step 5: Solve for x
    x = 2,659,828,633,909.02/1,663,222.20
  6. Step 6: Final answer
    x = 1,599,202.22

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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.