Home / 1,242,504.87-1,863,295.83-432,681.32

Finding the Fourth Proportional to 1,242,504.87, 1,863,295.83 and 432,681.32

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Solution

The fourth proportional to 1,242,504.87, 1,863,295.83 and 432,681.32 is: 648,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,504.87 : 1,863,295.83 = 432,681.32 : x
  2. Step 2: Convert to fraction form
    1,242,504.87/1,863,295.83 = 432,681.32/x
  3. Step 3: Cross multiply
    1,242,504.87x = 1,863,295.83 × 432,681.32
  4. Step 4: Simplify right side
    1,242,504.87x = 806,213,297,475.70
  5. Step 5: Solve for x
    x = 806,213,297,475.70/1,242,504.87
  6. Step 6: Final answer
    x = 648,861.28

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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.