Home / 1,175,209.72-1,762,815.16-775,757.14

Finding the Fourth Proportional to 1,175,209.72, 1,762,815.16 and 775,757.14

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Solution

The fourth proportional to 1,175,209.72, 1,762,815.16 and 775,757.14 is: 1,163,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,209.72 : 1,762,815.16 = 775,757.14 : x
  2. Step 2: Convert to fraction form
    1,175,209.72/1,762,815.16 = 775,757.14/x
  3. Step 3: Cross multiply
    1,175,209.72x = 1,762,815.16 × 775,757.14
  4. Step 4: Simplify right side
    1,175,209.72x = 1,367,516,446,870.24
  5. Step 5: Solve for x
    x = 1,367,516,446,870.24/1,175,209.72
  6. Step 6: Final answer
    x = 1,163,636.09

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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.