Home / 1,101,819.80-1,652,729.70-653,922.20

Finding the Fourth Proportional to 1,101,819.80, 1,652,729.70 and 653,922.20

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Solution

The fourth proportional to 1,101,819.80, 1,652,729.70 and 653,922.20 is: 980,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,819.80 : 1,652,729.70 = 653,922.20 : x
  2. Step 2: Convert to fraction form
    1,101,819.80/1,652,729.70 = 653,922.20/x
  3. Step 3: Cross multiply
    1,101,819.80x = 1,652,729.70 × 653,922.20
  4. Step 4: Simplify right side
    1,101,819.80x = 1,080,756,641,429.34
  5. Step 5: Solve for x
    x = 1,080,756,641,429.34/1,101,819.80
  6. Step 6: Final answer
    x = 980,883.30

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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.