Home / 1,037,999.55-1,556,999.33-828,047.55

Finding the Fourth Proportional to 1,037,999.55, 1,556,999.33 and 828,047.55

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Solution

The fourth proportional to 1,037,999.55, 1,556,999.33 and 828,047.55 is: 1,242,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,999.55 : 1,556,999.33 = 828,047.55 : x
  2. Step 2: Convert to fraction form
    1,037,999.55/1,556,999.33 = 828,047.55/x
  3. Step 3: Cross multiply
    1,037,999.55x = 1,556,999.33 × 828,047.55
  4. Step 4: Simplify right side
    1,037,999.55x = 1,289,269,476,417.90
  5. Step 5: Solve for x
    x = 1,289,269,476,417.90/1,037,999.55
  6. Step 6: Final answer
    x = 1,242,071.33

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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.