Home / 1,109,258.70-1,664,137.28-351,145.63

Finding the Fourth Proportional to 1,109,258.70, 1,664,137.28 and 351,145.63

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Solution

The fourth proportional to 1,109,258.70, 1,664,137.28 and 351,145.63 is: 526,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,258.70 : 1,664,137.28 = 351,145.63 : x
  2. Step 2: Convert to fraction form
    1,109,258.70/1,664,137.28 = 351,145.63/x
  3. Step 3: Cross multiply
    1,109,258.70x = 1,664,137.28 × 351,145.63
  4. Step 4: Simplify right side
    1,109,258.70x = 584,354,535,562.53
  5. Step 5: Solve for x
    x = 584,354,535,562.53/1,109,258.70
  6. Step 6: Final answer
    x = 526,797.34

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1.5x scale

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.