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Finding the Fourth Proportional to 1,324,602.85, 1,986,922.50 and 377,973.28

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Solution

The fourth proportional to 1,324,602.85, 1,986,922.50 and 377,973.28 is: 566,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,602.85 : 1,986,922.50 = 377,973.28 : x
  2. Step 2: Convert to fraction form
    1,324,602.85/1,986,922.50 = 377,973.28/x
  3. Step 3: Cross multiply
    1,324,602.85x = 1,986,922.50 × 377,973.28
  4. Step 4: Simplify right side
    1,324,602.85x = 751,003,614,430.80
  5. Step 5: Solve for x
    x = 751,003,614,430.80/1,324,602.85
  6. Step 6: Final answer
    x = 566,965.12

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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.