Home / 848,176.40-1,272,264.60-811,773.20

Finding the Fourth Proportional to 848,176.40, 1,272,264.60 and 811,773.20

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Solution

The fourth proportional to 848,176.40, 1,272,264.60 and 811,773.20 is: 1,217,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,176.40 : 1,272,264.60 = 811,773.20 : x
  2. Step 2: Convert to fraction form
    848,176.40/1,272,264.60 = 811,773.20/x
  3. Step 3: Cross multiply
    848,176.40x = 1,272,264.60 × 811,773.20
  4. Step 4: Simplify right side
    848,176.40x = 1,032,790,305,588.72
  5. Step 5: Solve for x
    x = 1,032,790,305,588.72/848,176.40
  6. Step 6: Final answer
    x = 1,217,659.80

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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.