Home / 1,048,979.13-1,576,467.36-977,899.20

Finding the Fourth Proportional to 1,048,979.13, 1,576,467.36 and 977,899.20

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Solution

The fourth proportional to 1,048,979.13, 1,576,467.36 and 977,899.20 is: 1,469,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,979.13 : 1,576,467.36 = 977,899.20 : x
  2. Step 2: Convert to fraction form
    1,048,979.13/1,576,467.36 = 977,899.20/x
  3. Step 3: Cross multiply
    1,048,979.13x = 1,576,467.36 × 977,899.20
  4. Step 4: Simplify right side
    1,048,979.13x = 1,541,626,170,170.11
  5. Step 5: Solve for x
    x = 1,541,626,170,170.11/1,048,979.13
  6. Step 6: Final answer
    x = 1,469,644.27

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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.