Home / 1,284,252.10-1,772,059.64-768,219.23

Finding the Fourth Proportional to 1,284,252.10, 1,772,059.64 and 768,219.23

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Solution

The fourth proportional to 1,284,252.10, 1,772,059.64 and 768,219.23 is: 1,060,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,252.10 : 1,772,059.64 = 768,219.23 : x
  2. Step 2: Convert to fraction form
    1,284,252.10/1,772,059.64 = 768,219.23/x
  3. Step 3: Cross multiply
    1,284,252.10x = 1,772,059.64 × 768,219.23
  4. Step 4: Simplify right side
    1,284,252.10x = 1,361,330,292,154.88
  5. Step 5: Solve for x
    x = 1,361,330,292,154.88/1,284,252.10
  6. Step 6: Final answer
    x = 1,060,017.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.