Home / 1,209,290.56-1,813,935.84-440,845.90

Finding the Fourth Proportional to 1,209,290.56, 1,813,935.84 and 440,845.90

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Solution

The fourth proportional to 1,209,290.56, 1,813,935.84 and 440,845.90 is: 661,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,290.56 : 1,813,935.84 = 440,845.90 : x
  2. Step 2: Convert to fraction form
    1,209,290.56/1,813,935.84 = 440,845.90/x
  3. Step 3: Cross multiply
    1,209,290.56x = 1,813,935.84 × 440,845.90
  4. Step 4: Simplify right side
    1,209,290.56x = 799,666,175,722.83
  5. Step 5: Solve for x
    x = 799,666,175,722.83/1,209,290.56
  6. Step 6: Final answer
    x = 661,268.85

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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.