Home / 1,028,659.23-1,543,579.56-803,387.30

Finding the Fourth Proportional to 1,028,659.23, 1,543,579.56 and 803,387.30

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Solution

The fourth proportional to 1,028,659.23, 1,543,579.56 and 803,387.30 is: 1,205,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,659.23 : 1,543,579.56 = 803,387.30 : x
  2. Step 2: Convert to fraction form
    1,028,659.23/1,543,579.56 = 803,387.30/x
  3. Step 3: Cross multiply
    1,028,659.23x = 1,543,579.56 × 803,387.30
  4. Step 4: Simplify right side
    1,028,659.23x = 1,240,092,207,325.69
  5. Step 5: Solve for x
    x = 1,240,092,207,325.69/1,028,659.23
  6. Step 6: Final answer
    x = 1,205,542.29

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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.