Home / 1,365,933.12-1,885,147.12-1,136,084.88

Finding the Fourth Proportional to 1,365,933.12, 1,885,147.12 and 1,136,084.88

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Solution

The fourth proportional to 1,365,933.12, 1,885,147.12 and 1,136,084.88 is: 1,567,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,933.12 : 1,885,147.12 = 1,136,084.88 : x
  2. Step 2: Convert to fraction form
    1,365,933.12/1,885,147.12 = 1,136,084.88/x
  3. Step 3: Cross multiply
    1,365,933.12x = 1,885,147.12 × 1,136,084.88
  4. Step 4: Simplify right side
    1,365,933.12x = 2,141,687,139,607.55
  5. Step 5: Solve for x
    x = 2,141,687,139,607.55/1,365,933.12
  6. Step 6: Final answer
    x = 1,567,929.72

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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.