Home / 1,589,168.25-2,192,567.40-900,729.81

Finding the Fourth Proportional to 1,589,168.25, 2,192,567.40 and 900,729.81

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Solution

The fourth proportional to 1,589,168.25, 2,192,567.40 and 900,729.81 is: 1,242,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,168.25 : 2,192,567.40 = 900,729.81 : x
  2. Step 2: Convert to fraction form
    1,589,168.25/2,192,567.40 = 900,729.81/x
  3. Step 3: Cross multiply
    1,589,168.25x = 2,192,567.40 × 900,729.81
  4. Step 4: Simplify right side
    1,589,168.25x = 1,974,910,817,614.19
  5. Step 5: Solve for x
    x = 1,974,910,817,614.19/1,589,168.25
  6. Step 6: Final answer
    x = 1,242,732.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.