Home / 1,378,733.53-2,068,155.93-480,266.14

Finding the Fourth Proportional to 1,378,733.53, 2,068,155.93 and 480,266.14

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Solution

The fourth proportional to 1,378,733.53, 2,068,155.93 and 480,266.14 is: 720,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,733.53 : 2,068,155.93 = 480,266.14 : x
  2. Step 2: Convert to fraction form
    1,378,733.53/2,068,155.93 = 480,266.14/x
  3. Step 3: Cross multiply
    1,378,733.53x = 2,068,155.93 × 480,266.14
  4. Step 4: Simplify right side
    1,378,733.53x = 993,265,265,419.21
  5. Step 5: Solve for x
    x = 993,265,265,419.21/1,378,733.53
  6. Step 6: Final answer
    x = 720,418.59

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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.