Home / 1,359,796.80-2,039,986.80-413,263.20

Finding the Fourth Proportional to 1,359,796.80, 2,039,986.80 and 413,263.20

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Solution

The fourth proportional to 1,359,796.80, 2,039,986.80 and 413,263.20 is: 619,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,796.80 : 2,039,986.80 = 413,263.20 : x
  2. Step 2: Convert to fraction form
    1,359,796.80/2,039,986.80 = 413,263.20/x
  3. Step 3: Cross multiply
    1,359,796.80x = 2,039,986.80 × 413,263.20
  4. Step 4: Simplify right side
    1,359,796.80x = 843,051,472,925.76
  5. Step 5: Solve for x
    x = 843,051,472,925.76/1,359,796.80
  6. Step 6: Final answer
    x = 619,983.42

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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.