Home / 1,095,847.28-1,512,274.86-612,420.50

Finding the Fourth Proportional to 1,095,847.28, 1,512,274.86 and 612,420.50

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Solution

The fourth proportional to 1,095,847.28, 1,512,274.86 and 612,420.50 is: 845,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,847.28 : 1,512,274.86 = 612,420.50 : x
  2. Step 2: Convert to fraction form
    1,095,847.28/1,512,274.86 = 612,420.50/x
  3. Step 3: Cross multiply
    1,095,847.28x = 1,512,274.86 × 612,420.50
  4. Step 4: Simplify right side
    1,095,847.28x = 926,148,125,898.63
  5. Step 5: Solve for x
    x = 926,148,125,898.63/1,095,847.28
  6. Step 6: Final answer
    x = 845,143.43

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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.