Home / 1,226,346.80-1,839,811.80-516,009.20

Finding the Fourth Proportional to 1,226,346.80, 1,839,811.80 and 516,009.20

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Solution

The fourth proportional to 1,226,346.80, 1,839,811.80 and 516,009.20 is: 774,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,346.80 : 1,839,811.80 = 516,009.20 : x
  2. Step 2: Convert to fraction form
    1,226,346.80/1,839,811.80 = 516,009.20/x
  3. Step 3: Cross multiply
    1,226,346.80x = 1,839,811.80 × 516,009.20
  4. Step 4: Simplify right side
    1,226,346.80x = 949,359,815,068.56
  5. Step 5: Solve for x
    x = 949,359,815,068.56/1,226,346.80
  6. Step 6: Final answer
    x = 774,136.50

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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.