Home / 1,412,555.40-2,118,833.10-987,402.60

Finding the Fourth Proportional to 1,412,555.40, 2,118,833.10 and 987,402.60

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Solution

The fourth proportional to 1,412,555.40, 2,118,833.10 and 987,402.60 is: 1,481,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,555.40 : 2,118,833.10 = 987,402.60 : x
  2. Step 2: Convert to fraction form
    1,412,555.40/2,118,833.10 = 987,402.60/x
  3. Step 3: Cross multiply
    1,412,555.40x = 2,118,833.10 × 987,402.60
  4. Step 4: Simplify right side
    1,412,555.40x = 2,092,141,311,906.06
  5. Step 5: Solve for x
    x = 2,092,141,311,906.06/1,412,555.40
  6. Step 6: Final answer
    x = 1,481,103.90

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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.