Home / 1,818,440.20-2,729,312.70-920,506.60

Finding the Fourth Proportional to 1,818,440.20, 2,729,312.70 and 920,506.60

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Solution

The fourth proportional to 1,818,440.20, 2,729,312.70 and 920,506.60 is: 1,381,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,440.20 : 2,729,312.70 = 920,506.60 : x
  2. Step 2: Convert to fraction form
    1,818,440.20/2,729,312.70 = 920,506.60/x
  3. Step 3: Cross multiply
    1,818,440.20x = 2,729,312.70 × 920,506.60
  4. Step 4: Simplify right side
    1,818,440.20x = 2,512,350,353,813.82
  5. Step 5: Solve for x
    x = 2,512,350,353,813.82/1,818,440.20
  6. Step 6: Final answer
    x = 1,381,596.36

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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.