Home / 1,387,005.70-2,080,508.55-966,756.10

Finding the Fourth Proportional to 1,387,005.70, 2,080,508.55 and 966,756.10

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Solution

The fourth proportional to 1,387,005.70, 2,080,508.55 and 966,756.10 is: 1,450,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,005.70 : 2,080,508.55 = 966,756.10 : x
  2. Step 2: Convert to fraction form
    1,387,005.70/2,080,508.55 = 966,756.10/x
  3. Step 3: Cross multiply
    1,387,005.70x = 2,080,508.55 × 966,756.10
  4. Step 4: Simplify right side
    1,387,005.70x = 2,011,344,331,814.66
  5. Step 5: Solve for x
    x = 2,011,344,331,814.66/1,387,005.70
  6. Step 6: Final answer
    x = 1,450,134.15

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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.