Home / 1,486,198.74-2,051,804.43-978,377.34

Finding the Fourth Proportional to 1,486,198.74, 2,051,804.43 and 978,377.34

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Solution

The fourth proportional to 1,486,198.74, 2,051,804.43 and 978,377.34 is: 1,350,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,198.74 : 2,051,804.43 = 978,377.34 : x
  2. Step 2: Convert to fraction form
    1,486,198.74/2,051,804.43 = 978,377.34/x
  3. Step 3: Cross multiply
    1,486,198.74x = 2,051,804.43 × 978,377.34
  4. Step 4: Simplify right side
    1,486,198.74x = 2,007,438,960,423.62
  5. Step 5: Solve for x
    x = 2,007,438,960,423.62/1,486,198.74
  6. Step 6: Final answer
    x = 1,350,720.40

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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.