Home / 1,055,686.32-1,583,515.98-256,968.54

Finding the Fourth Proportional to 1,055,686.32, 1,583,515.98 and 256,968.54

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Solution

The fourth proportional to 1,055,686.32, 1,583,515.98 and 256,968.54 is: 385,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,686.32 : 1,583,515.98 = 256,968.54 : x
  2. Step 2: Convert to fraction form
    1,055,686.32/1,583,515.98 = 256,968.54/x
  3. Step 3: Cross multiply
    1,055,686.32x = 1,583,515.98 × 256,968.54
  4. Step 4: Simplify right side
    1,055,686.32x = 406,913,789,447.27
  5. Step 5: Solve for x
    x = 406,913,789,447.27/1,055,686.32
  6. Step 6: Final answer
    x = 385,449.52

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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.