Home / 1,330,180.64-1,835,105.84-982,155.11

Finding the Fourth Proportional to 1,330,180.64, 1,835,105.84 and 982,155.11

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Solution

The fourth proportional to 1,330,180.64, 1,835,105.84 and 982,155.11 is: 1,354,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,180.64 : 1,835,105.84 = 982,155.11 : x
  2. Step 2: Convert to fraction form
    1,330,180.64/1,835,105.84 = 982,155.11/x
  3. Step 3: Cross multiply
    1,330,180.64x = 1,835,105.84 × 982,155.11
  4. Step 4: Simplify right side
    1,330,180.64x = 1,802,358,578,146.84
  5. Step 5: Solve for x
    x = 1,802,358,578,146.84/1,330,180.64
  6. Step 6: Final answer
    x = 1,354,972.80

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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.