Home / 1,628,718.47-2,443,096.51-491,490.52

Finding the Fourth Proportional to 1,628,718.47, 2,443,096.51 and 491,490.52

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Solution

The fourth proportional to 1,628,718.47, 2,443,096.51 and 491,490.52 is: 737,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,718.47 : 2,443,096.51 = 491,490.52 : x
  2. Step 2: Convert to fraction form
    1,628,718.47/2,443,096.51 = 491,490.52/x
  3. Step 3: Cross multiply
    1,628,718.47x = 2,443,096.51 × 491,490.52
  4. Step 4: Simplify right side
    1,628,718.47x = 1,200,758,774,110.09
  5. Step 5: Solve for x
    x = 1,200,758,774,110.09/1,628,718.47
  6. Step 6: Final answer
    x = 737,241.45

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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.