Home / 848,515.80-1,272,773.70-815,856.60

Finding the Fourth Proportional to 848,515.80, 1,272,773.70 and 815,856.60

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Solution

The fourth proportional to 848,515.80, 1,272,773.70 and 815,856.60 is: 1,223,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,515.80 : 1,272,773.70 = 815,856.60 : x
  2. Step 2: Convert to fraction form
    848,515.80/1,272,773.70 = 815,856.60/x
  3. Step 3: Cross multiply
    848,515.80x = 1,272,773.70 × 815,856.60
  4. Step 4: Simplify right side
    848,515.80x = 1,038,400,823,451.42
  5. Step 5: Solve for x
    x = 1,038,400,823,451.42/848,515.80
  6. Step 6: Final answer
    x = 1,223,784.90

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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.