Home / 1,324,926.96-1,987,391.34-426,368.50

Finding the Fourth Proportional to 1,324,926.96, 1,987,391.34 and 426,368.50

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Solution

The fourth proportional to 1,324,926.96, 1,987,391.34 and 426,368.50 is: 639,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,926.96 : 1,987,391.34 = 426,368.50 : x
  2. Step 2: Convert to fraction form
    1,324,926.96/1,987,391.34 = 426,368.50/x
  3. Step 3: Cross multiply
    1,324,926.96x = 1,987,391.34 × 426,368.50
  4. Step 4: Simplify right side
    1,324,926.96x = 847,361,064,548.79
  5. Step 5: Solve for x
    x = 847,361,064,548.79/1,324,926.96
  6. Step 6: Final answer
    x = 639,553.04

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1.5x scale

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.