Home / 1,347,492.80-2,021,239.20-869,195.90

Finding the Fourth Proportional to 1,347,492.80, 2,021,239.20 and 869,195.90

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Solution

The fourth proportional to 1,347,492.80, 2,021,239.20 and 869,195.90 is: 1,303,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,492.80 : 2,021,239.20 = 869,195.90 : x
  2. Step 2: Convert to fraction form
    1,347,492.80/2,021,239.20 = 869,195.90/x
  3. Step 3: Cross multiply
    1,347,492.80x = 2,021,239.20 × 869,195.90
  4. Step 4: Simplify right side
    1,347,492.80x = 1,756,852,825,559.28
  5. Step 5: Solve for x
    x = 1,756,852,825,559.28/1,347,492.80
  6. Step 6: Final answer
    x = 1,303,793.85

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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.