Home / 848,206.40-1,272,309.60-811,803.20

Finding the Fourth Proportional to 848,206.40, 1,272,309.60 and 811,803.20

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Solution

The fourth proportional to 848,206.40, 1,272,309.60 and 811,803.20 is: 1,217,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,206.40 : 1,272,309.60 = 811,803.20 : x
  2. Step 2: Convert to fraction form
    848,206.40/1,272,309.60 = 811,803.20/x
  3. Step 3: Cross multiply
    848,206.40x = 1,272,309.60 × 811,803.20
  4. Step 4: Simplify right side
    848,206.40x = 1,032,865,004,670.72
  5. Step 5: Solve for x
    x = 1,032,865,004,670.72/848,206.40
  6. Step 6: Final answer
    x = 1,217,704.80

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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.