Home / 804,938.20-1,207,407.30-793,128.40

Finding the Fourth Proportional to 804,938.20, 1,207,407.30 and 793,128.40

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Solution

The fourth proportional to 804,938.20, 1,207,407.30 and 793,128.40 is: 1,189,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,938.20 : 1,207,407.30 = 793,128.40 : x
  2. Step 2: Convert to fraction form
    804,938.20/1,207,407.30 = 793,128.40/x
  3. Step 3: Cross multiply
    804,938.20x = 1,207,407.30 × 793,128.40
  4. Step 4: Simplify right side
    804,938.20x = 957,629,019,997.32
  5. Step 5: Solve for x
    x = 957,629,019,997.32/804,938.20
  6. Step 6: Final answer
    x = 1,189,692.60

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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.