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Finding the Fourth Proportional to 816,003.60, 1,221,672.60 and 732,022.80

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Solution

The fourth proportional to 816,003.60, 1,221,672.60 and 732,022.80 is: 1,095,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,003.60 : 1,221,672.60 = 732,022.80 : x
  2. Step 2: Convert to fraction form
    816,003.60/1,221,672.60 = 732,022.80/x
  3. Step 3: Cross multiply
    816,003.60x = 1,221,672.60 × 732,022.80
  4. Step 4: Simplify right side
    816,003.60x = 894,292,197,335.28
  5. Step 5: Solve for x
    x = 894,292,197,335.28/816,003.60
  6. Step 6: Final answer
    x = 1,095,941.49

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1.5x scale

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.