Home / 1,445,104.20-1,994,217.60-800,522.40

Finding the Fourth Proportional to 1,445,104.20, 1,994,217.60 and 800,522.40

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Solution

The fourth proportional to 1,445,104.20, 1,994,217.60 and 800,522.40 is: 1,104,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,104.20 : 1,994,217.60 = 800,522.40 : x
  2. Step 2: Convert to fraction form
    1,445,104.20/1,994,217.60 = 800,522.40/x
  3. Step 3: Cross multiply
    1,445,104.20x = 1,994,217.60 × 800,522.40
  4. Step 4: Simplify right side
    1,445,104.20x = 1,596,415,859,274.24
  5. Step 5: Solve for x
    x = 1,596,415,859,274.24/1,445,104.20
  6. Step 6: Final answer
    x = 1,104,706.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.