Home / 1,076,958.85-1,615,455.14-318,877.23

Finding the Fourth Proportional to 1,076,958.85, 1,615,455.14 and 318,877.23

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Solution

The fourth proportional to 1,076,958.85, 1,615,455.14 and 318,877.23 is: 478,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,958.85 : 1,615,455.14 = 318,877.23 : x
  2. Step 2: Convert to fraction form
    1,076,958.85/1,615,455.14 = 318,877.23/x
  3. Step 3: Cross multiply
    1,076,958.85x = 1,615,455.14 × 318,877.23
  4. Step 4: Simplify right side
    1,076,958.85x = 515,131,860,232.46
  5. Step 5: Solve for x
    x = 515,131,860,232.46/1,076,958.85
  6. Step 6: Final answer
    x = 478,320.84

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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.