Home / 1,332,023.60-1,998,035.40-909,009.20

Finding the Fourth Proportional to 1,332,023.60, 1,998,035.40 and 909,009.20

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Solution

The fourth proportional to 1,332,023.60, 1,998,035.40 and 909,009.20 is: 1,363,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,023.60 : 1,998,035.40 = 909,009.20 : x
  2. Step 2: Convert to fraction form
    1,332,023.60/1,998,035.40 = 909,009.20/x
  3. Step 3: Cross multiply
    1,332,023.60x = 1,998,035.40 × 909,009.20
  4. Step 4: Simplify right side
    1,332,023.60x = 1,816,232,560,525.68
  5. Step 5: Solve for x
    x = 1,816,232,560,525.68/1,332,023.60
  6. Step 6: Final answer
    x = 1,363,513.80

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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.