Home / 1,488,200.11-2,054,730.05-998,902.60

Finding the Fourth Proportional to 1,488,200.11, 2,054,730.05 and 998,902.60

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Solution

The fourth proportional to 1,488,200.11, 2,054,730.05 and 998,902.60 is: 1,379,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,200.11 : 2,054,730.05 = 998,902.60 : x
  2. Step 2: Convert to fraction form
    1,488,200.11/2,054,730.05 = 998,902.60/x
  3. Step 3: Cross multiply
    1,488,200.11x = 2,054,730.05 × 998,902.60
  4. Step 4: Simplify right side
    1,488,200.11x = 2,052,475,189,243.13
  5. Step 5: Solve for x
    x = 2,052,475,189,243.13/1,488,200.11
  6. Step 6: Final answer
    x = 1,379,166.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.