Home / 1,395,449.64-2,091,845.82-448,156.06

Finding the Fourth Proportional to 1,395,449.64, 2,091,845.82 and 448,156.06

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Solution

The fourth proportional to 1,395,449.64, 2,091,845.82 and 448,156.06 is: 671,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,449.64 : 2,091,845.82 = 448,156.06 : x
  2. Step 2: Convert to fraction form
    1,395,449.64/2,091,845.82 = 448,156.06/x
  3. Step 3: Cross multiply
    1,395,449.64x = 2,091,845.82 × 448,156.06
  4. Step 4: Simplify right side
    1,395,449.64x = 937,473,380,818.67
  5. Step 5: Solve for x
    x = 937,473,380,818.67/1,395,449.64
  6. Step 6: Final answer
    x = 671,807.39

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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.