Home / 1,330,708.90-1,996,063.35-620,808.70

Finding the Fourth Proportional to 1,330,708.90, 1,996,063.35 and 620,808.70

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Solution

The fourth proportional to 1,330,708.90, 1,996,063.35 and 620,808.70 is: 931,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,708.90 : 1,996,063.35 = 620,808.70 : x
  2. Step 2: Convert to fraction form
    1,330,708.90/1,996,063.35 = 620,808.70/x
  3. Step 3: Cross multiply
    1,330,708.90x = 1,996,063.35 × 620,808.70
  4. Step 4: Simplify right side
    1,330,708.90x = 1,239,173,493,431.15
  5. Step 5: Solve for x
    x = 1,239,173,493,431.15/1,330,708.90
  6. Step 6: Final answer
    x = 931,213.05

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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.