Home / 1,384,801.20-2,077,363.80-438,267.60

Finding the Fourth Proportional to 1,384,801.20, 2,077,363.80 and 438,267.60

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Solution

The fourth proportional to 1,384,801.20, 2,077,363.80 and 438,267.60 is: 657,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,801.20 : 2,077,363.80 = 438,267.60 : x
  2. Step 2: Convert to fraction form
    1,384,801.20/2,077,363.80 = 438,267.60/x
  3. Step 3: Cross multiply
    1,384,801.20x = 2,077,363.80 × 438,267.60
  4. Step 4: Simplify right side
    1,384,801.20x = 910,441,246,952.88
  5. Step 5: Solve for x
    x = 910,441,246,952.88/1,384,801.20
  6. Step 6: Final answer
    x = 657,452.67

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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.