Home / 1,013,754.50-1,520,041.26-445,112.90

Finding the Fourth Proportional to 1,013,754.50, 1,520,041.26 and 445,112.90

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Solution

The fourth proportional to 1,013,754.50, 1,520,041.26 and 445,112.90 is: 667,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,754.50 : 1,520,041.26 = 445,112.90 : x
  2. Step 2: Convert to fraction form
    1,013,754.50/1,520,041.26 = 445,112.90/x
  3. Step 3: Cross multiply
    1,013,754.50x = 1,520,041.26 × 445,112.90
  4. Step 4: Simplify right side
    1,013,754.50x = 676,589,973,358.25
  5. Step 5: Solve for x
    x = 676,589,973,358.25/1,013,754.50
  6. Step 6: Final answer
    x = 667,410.08

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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.