Home / 1,429,790.14-1,973,103.23-776,410.33

Finding the Fourth Proportional to 1,429,790.14, 1,973,103.23 and 776,410.33

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Solution

The fourth proportional to 1,429,790.14, 1,973,103.23 and 776,410.33 is: 1,071,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,790.14 : 1,973,103.23 = 776,410.33 : x
  2. Step 2: Convert to fraction form
    1,429,790.14/1,973,103.23 = 776,410.33/x
  3. Step 3: Cross multiply
    1,429,790.14x = 1,973,103.23 × 776,410.33
  4. Step 4: Simplify right side
    1,429,790.14x = 1,531,937,729,928.37
  5. Step 5: Solve for x
    x = 1,531,937,729,928.37/1,429,790.14
  6. Step 6: Final answer
    x = 1,071,442.37

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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.