Home / 1,077,157.68-1,615,512.63-318,821.27

Finding the Fourth Proportional to 1,077,157.68, 1,615,512.63 and 318,821.27

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Solution

The fourth proportional to 1,077,157.68, 1,615,512.63 and 318,821.27 is: 478,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,157.68 : 1,615,512.63 = 318,821.27 : x
  2. Step 2: Convert to fraction form
    1,077,157.68/1,615,512.63 = 318,821.27/x
  3. Step 3: Cross multiply
    1,077,157.68x = 1,615,512.63 × 318,821.27
  4. Step 4: Simplify right side
    1,077,157.68x = 515,059,781,515.66
  5. Step 5: Solve for x
    x = 515,059,781,515.66/1,077,157.68
  6. Step 6: Final answer
    x = 478,165.63

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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.