Home / 1,076,957.85-1,615,453.64-318,876.23

Finding the Fourth Proportional to 1,076,957.85, 1,615,453.64 and 318,876.23

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Solution

The fourth proportional to 1,076,957.85, 1,615,453.64 and 318,876.23 is: 478,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,957.85 : 1,615,453.64 = 318,876.23 : x
  2. Step 2: Convert to fraction form
    1,076,957.85/1,615,453.64 = 318,876.23/x
  3. Step 3: Cross multiply
    1,076,957.85x = 1,615,453.64 × 318,876.23
  4. Step 4: Simplify right side
    1,076,957.85x = 515,129,756,791.33
  5. Step 5: Solve for x
    x = 515,129,756,791.33/1,076,957.85
  6. Step 6: Final answer
    x = 478,319.33

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1.5x scale

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.