Home / 804,931.20-1,207,396.80-793,121.40

Finding the Fourth Proportional to 804,931.20, 1,207,396.80 and 793,121.40

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Solution

The fourth proportional to 804,931.20, 1,207,396.80 and 793,121.40 is: 1,189,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,931.20 : 1,207,396.80 = 793,121.40 : x
  2. Step 2: Convert to fraction form
    804,931.20/1,207,396.80 = 793,121.40/x
  3. Step 3: Cross multiply
    804,931.20x = 1,207,396.80 × 793,121.40
  4. Step 4: Simplify right side
    804,931.20x = 957,612,240,371.52
  5. Step 5: Solve for x
    x = 957,612,240,371.52/804,931.20
  6. Step 6: Final answer
    x = 1,189,682.10

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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.