Home / 1,126,208.03-1,554,192.16-642,763.44

Finding the Fourth Proportional to 1,126,208.03, 1,554,192.16 and 642,763.44

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Solution

The fourth proportional to 1,126,208.03, 1,554,192.16 and 642,763.44 is: 887,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,208.03 : 1,554,192.16 = 642,763.44 : x
  2. Step 2: Convert to fraction form
    1,126,208.03/1,554,192.16 = 642,763.44/x
  3. Step 3: Cross multiply
    1,126,208.03x = 1,554,192.16 × 642,763.44
  4. Step 4: Simplify right side
    1,126,208.03x = 998,977,897,575.72
  5. Step 5: Solve for x
    x = 998,977,897,575.72/1,126,208.03
  6. Step 6: Final answer
    x = 887,027.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.