Home / 1,235,342.31-1,704,530.03-776,190.89

Finding the Fourth Proportional to 1,235,342.31, 1,704,530.03 and 776,190.89

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Solution

The fourth proportional to 1,235,342.31, 1,704,530.03 and 776,190.89 is: 1,070,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,342.31 : 1,704,530.03 = 776,190.89 : x
  2. Step 2: Convert to fraction form
    1,235,342.31/1,704,530.03 = 776,190.89/x
  3. Step 3: Cross multiply
    1,235,342.31x = 1,704,530.03 × 776,190.89
  4. Step 4: Simplify right side
    1,235,342.31x = 1,323,040,668,613.82
  5. Step 5: Solve for x
    x = 1,323,040,668,613.82/1,235,342.31
  6. Step 6: Final answer
    x = 1,070,991.14

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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.