Home / 1,428,901.42-1,973,520.47-941,051.69

Finding the Fourth Proportional to 1,428,901.42, 1,973,520.47 and 941,051.69

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Solution

The fourth proportional to 1,428,901.42, 1,973,520.47 and 941,051.69 is: 1,299,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,901.42 : 1,973,520.47 = 941,051.69 : x
  2. Step 2: Convert to fraction form
    1,428,901.42/1,973,520.47 = 941,051.69/x
  3. Step 3: Cross multiply
    1,428,901.42x = 1,973,520.47 × 941,051.69
  4. Step 4: Simplify right side
    1,428,901.42x = 1,857,184,766,028.12
  5. Step 5: Solve for x
    x = 1,857,184,766,028.12/1,428,901.42
  6. Step 6: Final answer
    x = 1,299,729.11

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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.