Home / 1,089,835.72-1,503,971.88-676,218.66

Finding the Fourth Proportional to 1,089,835.72, 1,503,971.88 and 676,218.66

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Solution

The fourth proportional to 1,089,835.72, 1,503,971.88 and 676,218.66 is: 933,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,835.72 : 1,503,971.88 = 676,218.66 : x
  2. Step 2: Convert to fraction form
    1,089,835.72/1,503,971.88 = 676,218.66/x
  3. Step 3: Cross multiply
    1,089,835.72x = 1,503,971.88 × 676,218.66
  4. Step 4: Simplify right side
    1,089,835.72x = 1,017,013,854,821.76
  5. Step 5: Solve for x
    x = 1,017,013,854,821.76/1,089,835.72
  6. Step 6: Final answer
    x = 933,180.88

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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.