Home / 1,370,338.46-1,891,007.54-758,454.71

Finding the Fourth Proportional to 1,370,338.46, 1,891,007.54 and 758,454.71

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Solution

The fourth proportional to 1,370,338.46, 1,891,007.54 and 758,454.71 is: 1,046,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,338.46 : 1,891,007.54 = 758,454.71 : x
  2. Step 2: Convert to fraction form
    1,370,338.46/1,891,007.54 = 758,454.71/x
  3. Step 3: Cross multiply
    1,370,338.46x = 1,891,007.54 × 758,454.71
  4. Step 4: Simplify right side
    1,370,338.46x = 1,434,243,564,955.41
  5. Step 5: Solve for x
    x = 1,434,243,564,955.41/1,370,338.46
  6. Step 6: Final answer
    x = 1,046,634.54

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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.