Home / 1,230,810.80-1,695,999.48-908,010.80

Finding the Fourth Proportional to 1,230,810.80, 1,695,999.48 and 908,010.80

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Solution

The fourth proportional to 1,230,810.80, 1,695,999.48 and 908,010.80 is: 1,251,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,810.80 : 1,695,999.48 = 908,010.80 : x
  2. Step 2: Convert to fraction form
    1,230,810.80/1,695,999.48 = 908,010.80/x
  3. Step 3: Cross multiply
    1,230,810.80x = 1,695,999.48 × 908,010.80
  4. Step 4: Simplify right side
    1,230,810.80x = 1,539,985,844,634.38
  5. Step 5: Solve for x
    x = 1,539,985,844,634.38/1,230,810.80
  6. Step 6: Final answer
    x = 1,251,196.24

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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.