Home / 1,378,626.70-2,068,004.85-432,028.30

Finding the Fourth Proportional to 1,378,626.70, 2,068,004.85 and 432,028.30

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Solution

The fourth proportional to 1,378,626.70, 2,068,004.85 and 432,028.30 is: 648,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,626.70 : 2,068,004.85 = 432,028.30 : x
  2. Step 2: Convert to fraction form
    1,378,626.70/2,068,004.85 = 432,028.30/x
  3. Step 3: Cross multiply
    1,378,626.70x = 2,068,004.85 × 432,028.30
  4. Step 4: Simplify right side
    1,378,626.70x = 893,436,619,737.26
  5. Step 5: Solve for x
    x = 893,436,619,737.26/1,378,626.70
  6. Step 6: Final answer
    x = 648,062.76

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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.