Home / 1,620,247.22-2,429,808.00-901,685.45

Finding the Fourth Proportional to 1,620,247.22, 2,429,808.00 and 901,685.45

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Solution

The fourth proportional to 1,620,247.22, 2,429,808.00 and 901,685.45 is: 1,352,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,247.22 : 2,429,808.00 = 901,685.45 : x
  2. Step 2: Convert to fraction form
    1,620,247.22/2,429,808.00 = 901,685.45/x
  3. Step 3: Cross multiply
    1,620,247.22x = 2,429,808.00 × 901,685.45
  4. Step 4: Simplify right side
    1,620,247.22x = 2,190,922,522,586.80
  5. Step 5: Solve for x
    x = 2,190,922,522,586.80/1,620,247.22
  6. Step 6: Final answer
    x = 1,352,214.96

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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.