Home / 1,095,847.32-1,512,274.86-612,420.54

Finding the Fourth Proportional to 1,095,847.32, 1,512,274.86 and 612,420.54

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Solution

The fourth proportional to 1,095,847.32, 1,512,274.86 and 612,420.54 is: 845,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,847.32 : 1,512,274.86 = 612,420.54 : x
  2. Step 2: Convert to fraction form
    1,095,847.32/1,512,274.86 = 612,420.54/x
  3. Step 3: Cross multiply
    1,095,847.32x = 1,512,274.86 × 612,420.54
  4. Step 4: Simplify right side
    1,095,847.32x = 926,148,186,389.63
  5. Step 5: Solve for x
    x = 926,148,186,389.63/1,095,847.32
  6. Step 6: Final answer
    x = 845,143.45

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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.