Home / 1,026,308.40-1,538,425.80-465,745.20

Finding the Fourth Proportional to 1,026,308.40, 1,538,425.80 and 465,745.20

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Solution

The fourth proportional to 1,026,308.40, 1,538,425.80 and 465,745.20 is: 698,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,308.40 : 1,538,425.80 = 465,745.20 : x
  2. Step 2: Convert to fraction form
    1,026,308.40/1,538,425.80 = 465,745.20/x
  3. Step 3: Cross multiply
    1,026,308.40x = 1,538,425.80 × 465,745.20
  4. Step 4: Simplify right side
    1,026,308.40x = 716,514,431,906.16
  5. Step 5: Solve for x
    x = 716,514,431,906.16/1,026,308.40
  6. Step 6: Final answer
    x = 698,147.29

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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.