Home / 1,155,778.30-1,733,672.85-407,824.30

Finding the Fourth Proportional to 1,155,778.30, 1,733,672.85 and 407,824.30

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Solution

The fourth proportional to 1,155,778.30, 1,733,672.85 and 407,824.30 is: 611,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,778.30 : 1,733,672.85 = 407,824.30 : x
  2. Step 2: Convert to fraction form
    1,155,778.30/1,733,672.85 = 407,824.30/x
  3. Step 3: Cross multiply
    1,155,778.30x = 1,733,672.85 × 407,824.30
  4. Step 4: Simplify right side
    1,155,778.30x = 707,033,916,480.26
  5. Step 5: Solve for x
    x = 707,033,916,480.26/1,155,778.30
  6. Step 6: Final answer
    x = 611,738.36

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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.