Home / 1,202,070.26-1,803,160.78-669,189.94

Finding the Fourth Proportional to 1,202,070.26, 1,803,160.78 and 669,189.94

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Solution

The fourth proportional to 1,202,070.26, 1,803,160.78 and 669,189.94 is: 1,003,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,070.26 : 1,803,160.78 = 669,189.94 : x
  2. Step 2: Convert to fraction form
    1,202,070.26/1,803,160.78 = 669,189.94/x
  3. Step 3: Cross multiply
    1,202,070.26x = 1,803,160.78 × 669,189.94
  4. Step 4: Simplify right side
    1,202,070.26x = 1,206,657,054,178.55
  5. Step 5: Solve for x
    x = 1,206,657,054,178.55/1,202,070.26
  6. Step 6: Final answer
    x = 1,003,815.75

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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.