Home / 848,186.40-1,272,279.60-811,783.20

Finding the Fourth Proportional to 848,186.40, 1,272,279.60 and 811,783.20

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Solution

The fourth proportional to 848,186.40, 1,272,279.60 and 811,783.20 is: 1,217,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,186.40 : 1,272,279.60 = 811,783.20 : x
  2. Step 2: Convert to fraction form
    848,186.40/1,272,279.60 = 811,783.20/x
  3. Step 3: Cross multiply
    848,186.40x = 1,272,279.60 × 811,783.20
  4. Step 4: Simplify right side
    848,186.40x = 1,032,815,204,982.72
  5. Step 5: Solve for x
    x = 1,032,815,204,982.72/848,186.40
  6. Step 6: Final answer
    x = 1,217,674.80

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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.