Home / 1,230,808.80-1,695,996.72-908,008.80

Finding the Fourth Proportional to 1,230,808.80, 1,695,996.72 and 908,008.80

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Solution

The fourth proportional to 1,230,808.80, 1,695,996.72 and 908,008.80 is: 1,251,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,808.80 : 1,695,996.72 = 908,008.80 : x
  2. Step 2: Convert to fraction form
    1,230,808.80/1,695,996.72 = 908,008.80/x
  3. Step 3: Cross multiply
    1,230,808.80x = 1,695,996.72 × 908,008.80
  4. Step 4: Simplify right side
    1,230,808.80x = 1,539,979,946,531.14
  5. Step 5: Solve for x
    x = 1,539,979,946,531.14/1,230,808.80
  6. Step 6: Final answer
    x = 1,251,193.48

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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.