Home / 1,175,129.75-1,762,736.39-376,307.51

Finding the Fourth Proportional to 1,175,129.75, 1,762,736.39 and 376,307.51

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Solution

The fourth proportional to 1,175,129.75, 1,762,736.39 and 376,307.51 is: 564,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,129.75 : 1,762,736.39 = 376,307.51 : x
  2. Step 2: Convert to fraction form
    1,175,129.75/1,762,736.39 = 376,307.51/x
  3. Step 3: Cross multiply
    1,175,129.75x = 1,762,736.39 × 376,307.51
  4. Step 4: Simplify right side
    1,175,129.75x = 663,330,933,834.38
  5. Step 5: Solve for x
    x = 663,330,933,834.38/1,175,129.75
  6. Step 6: Final answer
    x = 564,474.63

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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.