Home / 1,703,648.23-2,351,036.55-978,636.40

Finding the Fourth Proportional to 1,703,648.23, 2,351,036.55 and 978,636.40

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Solution

The fourth proportional to 1,703,648.23, 2,351,036.55 and 978,636.40 is: 1,350,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,648.23 : 2,351,036.55 = 978,636.40 : x
  2. Step 2: Convert to fraction form
    1,703,648.23/2,351,036.55 = 978,636.40/x
  3. Step 3: Cross multiply
    1,703,648.23x = 2,351,036.55 × 978,636.40
  4. Step 4: Simplify right side
    1,703,648.23x = 2,300,809,945,560.42
  5. Step 5: Solve for x
    x = 2,300,809,945,560.42/1,703,648.23
  6. Step 6: Final answer
    x = 1,350,519.38

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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.