Home / 913,474.80-1,370,212.20-851,266.80

Finding the Fourth Proportional to 913,474.80, 1,370,212.20 and 851,266.80

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Solution

The fourth proportional to 913,474.80, 1,370,212.20 and 851,266.80 is: 1,276,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,474.80 : 1,370,212.20 = 851,266.80 : x
  2. Step 2: Convert to fraction form
    913,474.80/1,370,212.20 = 851,266.80/x
  3. Step 3: Cross multiply
    913,474.80x = 1,370,212.20 × 851,266.80
  4. Step 4: Simplify right side
    913,474.80x = 1,166,416,154,814.96
  5. Step 5: Solve for x
    x = 1,166,416,154,814.96/913,474.80
  6. Step 6: Final answer
    x = 1,276,900.20

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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.