Home / 1,038,693.69-1,558,266.52-328,727.88

Finding the Fourth Proportional to 1,038,693.69, 1,558,266.52 and 328,727.88

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Solution

The fourth proportional to 1,038,693.69, 1,558,266.52 and 328,727.88 is: 493,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,693.69 : 1,558,266.52 = 328,727.88 : x
  2. Step 2: Convert to fraction form
    1,038,693.69/1,558,266.52 = 328,727.88/x
  3. Step 3: Cross multiply
    1,038,693.69x = 1,558,266.52 × 328,727.88
  4. Step 4: Simplify right side
    1,038,693.69x = 512,245,649,594.58
  5. Step 5: Solve for x
    x = 512,245,649,594.58/1,038,693.69
  6. Step 6: Final answer
    x = 493,163.34

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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.