Home / 1,076,955.29-1,615,449.79-318,873.66

Finding the Fourth Proportional to 1,076,955.29, 1,615,449.79 and 318,873.66

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Solution

The fourth proportional to 1,076,955.29, 1,615,449.79 and 318,873.66 is: 478,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,955.29 : 1,615,449.79 = 318,873.66 : x
  2. Step 2: Convert to fraction form
    1,076,955.29/1,615,449.79 = 318,873.66/x
  3. Step 3: Cross multiply
    1,076,955.29x = 1,615,449.79 × 318,873.66
  4. Step 4: Simplify right side
    1,076,955.29x = 515,124,387,083.53
  5. Step 5: Solve for x
    x = 515,124,387,083.53/1,076,955.29
  6. Step 6: Final answer
    x = 478,315.48

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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.