Home / 1,370,436.69-1,891,179.75-758,576.34

Finding the Fourth Proportional to 1,370,436.69, 1,891,179.75 and 758,576.34

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Solution

The fourth proportional to 1,370,436.69, 1,891,179.75 and 758,576.34 is: 1,046,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,436.69 : 1,891,179.75 = 758,576.34 : x
  2. Step 2: Convert to fraction form
    1,370,436.69/1,891,179.75 = 758,576.34/x
  3. Step 3: Cross multiply
    1,370,436.69x = 1,891,179.75 × 758,576.34
  4. Step 4: Simplify right side
    1,370,436.69x = 1,434,604,213,037.12
  5. Step 5: Solve for x
    x = 1,434,604,213,037.12/1,370,436.69
  6. Step 6: Final answer
    x = 1,046,822.68

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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.