Home / 1,378,735.29-2,068,158.56-480,267.90

Finding the Fourth Proportional to 1,378,735.29, 2,068,158.56 and 480,267.90

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Solution

The fourth proportional to 1,378,735.29, 2,068,158.56 and 480,267.90 is: 720,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,735.29 : 2,068,158.56 = 480,267.90 : x
  2. Step 2: Convert to fraction form
    1,378,735.29/2,068,158.56 = 480,267.90/x
  3. Step 3: Cross multiply
    1,378,735.29x = 2,068,158.56 × 480,267.90
  4. Step 4: Simplify right side
    1,378,735.29x = 993,270,166,076.89
  5. Step 5: Solve for x
    x = 993,270,166,076.89/1,378,735.29
  6. Step 6: Final answer
    x = 720,421.22

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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.