Home / 1,015,266.78-1,522,903.77-257,108.04

Finding the Fourth Proportional to 1,015,266.78, 1,522,903.77 and 257,108.04

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Solution

The fourth proportional to 1,015,266.78, 1,522,903.77 and 257,108.04 is: 385,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,266.78 : 1,522,903.77 = 257,108.04 : x
  2. Step 2: Convert to fraction form
    1,015,266.78/1,522,903.77 = 257,108.04/x
  3. Step 3: Cross multiply
    1,015,266.78x = 1,522,903.77 × 257,108.04
  4. Step 4: Simplify right side
    1,015,266.78x = 391,550,803,413.31
  5. Step 5: Solve for x
    x = 391,550,803,413.31/1,015,266.78
  6. Step 6: Final answer
    x = 385,662.97

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1.5x scale

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.