Home / 915,740.80-1,373,611.20-880,748.80

Finding the Fourth Proportional to 915,740.80, 1,373,611.20 and 880,748.80

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Solution

The fourth proportional to 915,740.80, 1,373,611.20 and 880,748.80 is: 1,321,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,740.80 : 1,373,611.20 = 880,748.80 : x
  2. Step 2: Convert to fraction form
    915,740.80/1,373,611.20 = 880,748.80/x
  3. Step 3: Cross multiply
    915,740.80x = 1,373,611.20 × 880,748.80
  4. Step 4: Simplify right side
    915,740.80x = 1,209,806,416,066.56
  5. Step 5: Solve for x
    x = 1,209,806,416,066.56/915,740.80
  6. Step 6: Final answer
    x = 1,321,123.20

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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.