Home / 1,370,270.68-1,890,977.24-758,465.56

Finding the Fourth Proportional to 1,370,270.68, 1,890,977.24 and 758,465.56

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Solution

The fourth proportional to 1,370,270.68, 1,890,977.24 and 758,465.56 is: 1,046,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,270.68 : 1,890,977.24 = 758,465.56 : x
  2. Step 2: Convert to fraction form
    1,370,270.68/1,890,977.24 = 758,465.56/x
  3. Step 3: Cross multiply
    1,370,270.68x = 1,890,977.24 × 758,465.56
  4. Step 4: Simplify right side
    1,370,270.68x = 1,434,241,111,283.85
  5. Step 5: Solve for x
    x = 1,434,241,111,283.85/1,370,270.68
  6. Step 6: Final answer
    x = 1,046,684.52

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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.