Home / 1,191,931.20-1,786,514.40-481,492.80

Finding the Fourth Proportional to 1,191,931.20, 1,786,514.40 and 481,492.80

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Solution

The fourth proportional to 1,191,931.20, 1,786,514.40 and 481,492.80 is: 721,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,931.20 : 1,786,514.40 = 481,492.80 : x
  2. Step 2: Convert to fraction form
    1,191,931.20/1,786,514.40 = 481,492.80/x
  3. Step 3: Cross multiply
    1,191,931.20x = 1,786,514.40 × 481,492.80
  4. Step 4: Simplify right side
    1,191,931.20x = 860,193,820,696.32
  5. Step 5: Solve for x
    x = 860,193,820,696.32/1,191,931.20
  6. Step 6: Final answer
    x = 721,680.77

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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.