Home / 1,102,748.80-1,654,123.20-1,015,657.60

Finding the Fourth Proportional to 1,102,748.80, 1,654,123.20 and 1,015,657.60

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Solution

The fourth proportional to 1,102,748.80, 1,654,123.20 and 1,015,657.60 is: 1,523,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,748.80 : 1,654,123.20 = 1,015,657.60 : x
  2. Step 2: Convert to fraction form
    1,102,748.80/1,654,123.20 = 1,015,657.60/x
  3. Step 3: Cross multiply
    1,102,748.80x = 1,654,123.20 × 1,015,657.60
  4. Step 4: Simplify right side
    1,102,748.80x = 1,680,022,799,416.32
  5. Step 5: Solve for x
    x = 1,680,022,799,416.32/1,102,748.80
  6. Step 6: Final answer
    x = 1,523,486.40

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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.