Home / 1,132,462.62-1,698,987.96-422,496

Finding the Fourth Proportional to 1,132,462.62, 1,698,987.96 and 422,496

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Solution

The fourth proportional to 1,132,462.62, 1,698,987.96 and 422,496 is: 633,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,462.62 : 1,698,987.96 = 422,496 : x
  2. Step 2: Convert to fraction form
    1,132,462.62/1,698,987.96 = 422,496/x
  3. Step 3: Cross multiply
    1,132,462.62x = 1,698,987.96 × 422,496
  4. Step 4: Simplify right side
    1,132,462.62x = 717,815,617,148.16
  5. Step 5: Solve for x
    x = 717,815,617,148.16/1,132,462.62
  6. Step 6: Final answer
    x = 633,853.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.