Home / 1,329,915.84-1,834,828.80-756,812.64

Finding the Fourth Proportional to 1,329,915.84, 1,834,828.80 and 756,812.64

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Solution

The fourth proportional to 1,329,915.84, 1,834,828.80 and 756,812.64 is: 1,044,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,915.84 : 1,834,828.80 = 756,812.64 : x
  2. Step 2: Convert to fraction form
    1,329,915.84/1,834,828.80 = 756,812.64/x
  3. Step 3: Cross multiply
    1,329,915.84x = 1,834,828.80 × 756,812.64
  4. Step 4: Simplify right side
    1,329,915.84x = 1,388,621,628,076.03
  5. Step 5: Solve for x
    x = 1,388,621,628,076.03/1,329,915.84
  6. Step 6: Final answer
    x = 1,044,142.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.