Home / 1,228,455.88-1,842,946.25-429,763.48

Finding the Fourth Proportional to 1,228,455.88, 1,842,946.25 and 429,763.48

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Solution

The fourth proportional to 1,228,455.88, 1,842,946.25 and 429,763.48 is: 644,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,455.88 : 1,842,946.25 = 429,763.48 : x
  2. Step 2: Convert to fraction form
    1,228,455.88/1,842,946.25 = 429,763.48/x
  3. Step 3: Cross multiply
    1,228,455.88x = 1,842,946.25 × 429,763.48
  4. Step 4: Simplify right side
    1,228,455.88x = 792,030,987,096.77
  5. Step 5: Solve for x
    x = 792,030,987,096.77/1,228,455.88
  6. Step 6: Final answer
    x = 644,737.02

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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.