Home / 797,045.31-1,190,488.22-721,026.90

Finding the Fourth Proportional to 797,045.31, 1,190,488.22 and 721,026.90

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Solution

The fourth proportional to 797,045.31, 1,190,488.22 and 721,026.90 is: 1,076,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,045.31 : 1,190,488.22 = 721,026.90 : x
  2. Step 2: Convert to fraction form
    797,045.31/1,190,488.22 = 721,026.90/x
  3. Step 3: Cross multiply
    797,045.31x = 1,190,488.22 × 721,026.90
  4. Step 4: Simplify right side
    797,045.31x = 858,374,027,147.98
  5. Step 5: Solve for x
    x = 858,374,027,147.98/797,045.31
  6. Step 6: Final answer
    x = 1,076,945.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.