Home / 1,428,495.21-2,142,673.56-530,112.06

Finding the Fourth Proportional to 1,428,495.21, 2,142,673.56 and 530,112.06

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Solution

The fourth proportional to 1,428,495.21, 2,142,673.56 and 530,112.06 is: 795,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,495.21 : 2,142,673.56 = 530,112.06 : x
  2. Step 2: Convert to fraction form
    1,428,495.21/2,142,673.56 = 530,112.06/x
  3. Step 3: Cross multiply
    1,428,495.21x = 2,142,673.56 × 530,112.06
  4. Step 4: Simplify right side
    1,428,495.21x = 1,135,857,094,799.13
  5. Step 5: Solve for x
    x = 1,135,857,094,799.13/1,428,495.21
  6. Step 6: Final answer
    x = 795,142.39

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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.