Home / 1,051,128.88-1,570,933.19-767,416.96

Finding the Fourth Proportional to 1,051,128.88, 1,570,933.19 and 767,416.96

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Solution

The fourth proportional to 1,051,128.88, 1,570,933.19 and 767,416.96 is: 1,146,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,128.88 : 1,570,933.19 = 767,416.96 : x
  2. Step 2: Convert to fraction form
    1,051,128.88/1,570,933.19 = 767,416.96/x
  3. Step 3: Cross multiply
    1,051,128.88x = 1,570,933.19 × 767,416.96
  4. Step 4: Simplify right side
    1,051,128.88x = 1,205,560,769,195.82
  5. Step 5: Solve for x
    x = 1,205,560,769,195.82/1,051,128.88
  6. Step 6: Final answer
    x = 1,146,920.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.