Home / 1,215,438.55-1,824,302.04-616,829.31

Finding the Fourth Proportional to 1,215,438.55, 1,824,302.04 and 616,829.31

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Solution

The fourth proportional to 1,215,438.55, 1,824,302.04 and 616,829.31 is: 925,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,438.55 : 1,824,302.04 = 616,829.31 : x
  2. Step 2: Convert to fraction form
    1,215,438.55/1,824,302.04 = 616,829.31/x
  3. Step 3: Cross multiply
    1,215,438.55x = 1,824,302.04 × 616,829.31
  4. Step 4: Simplify right side
    1,215,438.55x = 1,125,282,959,443.28
  5. Step 5: Solve for x
    x = 1,125,282,959,443.28/1,215,438.55
  6. Step 6: Final answer
    x = 925,824.64

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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.