Home / 1,413,901.20-2,120,851.80-1,098,584.40

Finding the Fourth Proportional to 1,413,901.20, 2,120,851.80 and 1,098,584.40

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Solution

The fourth proportional to 1,413,901.20, 2,120,851.80 and 1,098,584.40 is: 1,647,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,901.20 : 2,120,851.80 = 1,098,584.40 : x
  2. Step 2: Convert to fraction form
    1,413,901.20/2,120,851.80 = 1,098,584.40/x
  3. Step 3: Cross multiply
    1,413,901.20x = 2,120,851.80 × 1,098,584.40
  4. Step 4: Simplify right side
    1,413,901.20x = 2,329,934,702,191.92
  5. Step 5: Solve for x
    x = 2,329,934,702,191.92/1,413,901.20
  6. Step 6: Final answer
    x = 1,647,876.60

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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.