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Finding the Fourth Proportional to 917,733.60, 1,373,835.60 and 818,200.80

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Solution

The fourth proportional to 917,733.60, 1,373,835.60 and 818,200.80 is: 1,224,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,733.60 : 1,373,835.60 = 818,200.80 : x
  2. Step 2: Convert to fraction form
    917,733.60/1,373,835.60 = 818,200.80/x
  3. Step 3: Cross multiply
    917,733.60x = 1,373,835.60 × 818,200.80
  4. Step 4: Simplify right side
    917,733.60x = 1,124,073,386,988.48
  5. Step 5: Solve for x
    x = 1,124,073,386,988.48/917,733.60
  6. Step 6: Final answer
    x = 1,224,836.26

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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.