Home / 1,370,443.25-1,891,228.37-758,652.58

Finding the Fourth Proportional to 1,370,443.25, 1,891,228.37 and 758,652.58

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Solution

The fourth proportional to 1,370,443.25, 1,891,228.37 and 758,652.58 is: 1,046,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,443.25 : 1,891,228.37 = 758,652.58 : x
  2. Step 2: Convert to fraction form
    1,370,443.25/1,891,228.37 = 758,652.58/x
  3. Step 3: Cross multiply
    1,370,443.25x = 1,891,228.37 × 758,652.58
  4. Step 4: Simplify right side
    1,370,443.25x = 1,434,785,280,840.47
  5. Step 5: Solve for x
    x = 1,434,785,280,840.47/1,370,443.25
  6. Step 6: Final answer
    x = 1,046,949.79

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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.