Home / 986,987.70-1,480,481.55-827,555.40

Finding the Fourth Proportional to 986,987.70, 1,480,481.55 and 827,555.40

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Solution

The fourth proportional to 986,987.70, 1,480,481.55 and 827,555.40 is: 1,241,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,987.70 : 1,480,481.55 = 827,555.40 : x
  2. Step 2: Convert to fraction form
    986,987.70/1,480,481.55 = 827,555.40/x
  3. Step 3: Cross multiply
    986,987.70x = 1,480,481.55 × 827,555.40
  4. Step 4: Simplify right side
    986,987.70x = 1,225,180,501,302.87
  5. Step 5: Solve for x
    x = 1,225,180,501,302.87/986,987.70
  6. Step 6: Final answer
    x = 1,241,333.10

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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.