Home / 1,101,455.36-1,519,915.20-617,955.20

Finding the Fourth Proportional to 1,101,455.36, 1,519,915.20 and 617,955.20

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Solution

The fourth proportional to 1,101,455.36, 1,519,915.20 and 617,955.20 is: 852,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,455.36 : 1,519,915.20 = 617,955.20 : x
  2. Step 2: Convert to fraction form
    1,101,455.36/1,519,915.20 = 617,955.20/x
  3. Step 3: Cross multiply
    1,101,455.36x = 1,519,915.20 × 617,955.20
  4. Step 4: Simplify right side
    1,101,455.36x = 939,239,501,399.04
  5. Step 5: Solve for x
    x = 939,239,501,399.04/1,101,455.36
  6. Step 6: Final answer
    x = 852,725.89

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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.