Home / 1,133,499.30-1,561,568.40-788,742.34

Finding the Fourth Proportional to 1,133,499.30, 1,561,568.40 and 788,742.34

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Solution

The fourth proportional to 1,133,499.30, 1,561,568.40 and 788,742.34 is: 1,086,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,499.30 : 1,561,568.40 = 788,742.34 : x
  2. Step 2: Convert to fraction form
    1,133,499.30/1,561,568.40 = 788,742.34/x
  3. Step 3: Cross multiply
    1,133,499.30x = 1,561,568.40 × 788,742.34
  4. Step 4: Simplify right side
    1,133,499.30x = 1,231,675,113,886.06
  5. Step 5: Solve for x
    x = 1,231,675,113,886.06/1,133,499.30
  6. Step 6: Final answer
    x = 1,086,613.03

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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.