Home / 1,015,271.78-1,522,911.27-257,113.04

Finding the Fourth Proportional to 1,015,271.78, 1,522,911.27 and 257,113.04

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Solution

The fourth proportional to 1,015,271.78, 1,522,911.27 and 257,113.04 is: 385,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,271.78 : 1,522,911.27 = 257,113.04 : x
  2. Step 2: Convert to fraction form
    1,015,271.78/1,522,911.27 = 257,113.04/x
  3. Step 3: Cross multiply
    1,015,271.78x = 1,522,911.27 × 257,113.04
  4. Step 4: Simplify right side
    1,015,271.78x = 391,560,346,279.96
  5. Step 5: Solve for x
    x = 391,560,346,279.96/1,015,271.78
  6. Step 6: Final answer
    x = 385,670.47

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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.