Home / 1,039,563.96-1,556,542.30-678,841.24

Finding the Fourth Proportional to 1,039,563.96, 1,556,542.30 and 678,841.24

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Solution

The fourth proportional to 1,039,563.96, 1,556,542.30 and 678,841.24 is: 1,016,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,563.96 : 1,556,542.30 = 678,841.24 : x
  2. Step 2: Convert to fraction form
    1,039,563.96/1,556,542.30 = 678,841.24/x
  3. Step 3: Cross multiply
    1,039,563.96x = 1,556,542.30 × 678,841.24
  4. Step 4: Simplify right side
    1,039,563.96x = 1,056,645,105,044.45
  5. Step 5: Solve for x
    x = 1,056,645,105,044.45/1,039,563.96
  6. Step 6: Final answer
    x = 1,016,431.07

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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.