Home / 1,370,435.70-1,891,178.38-758,575.34

Finding the Fourth Proportional to 1,370,435.70, 1,891,178.38 and 758,575.34

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Solution

The fourth proportional to 1,370,435.70, 1,891,178.38 and 758,575.34 is: 1,046,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,435.70 : 1,891,178.38 = 758,575.34 : x
  2. Step 2: Convert to fraction form
    1,370,435.70/1,891,178.38 = 758,575.34/x
  3. Step 3: Cross multiply
    1,370,435.70x = 1,891,178.38 × 758,575.34
  4. Step 4: Simplify right side
    1,370,435.70x = 1,434,601,282,609.15
  5. Step 5: Solve for x
    x = 1,434,601,282,609.15/1,370,435.70
  6. Step 6: Final answer
    x = 1,046,821.30

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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.