Home / 1,428,723.84-2,143,051.20-363,768.32

Finding the Fourth Proportional to 1,428,723.84, 2,143,051.20 and 363,768.32

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Solution

The fourth proportional to 1,428,723.84, 2,143,051.20 and 363,768.32 is: 545,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,723.84 : 2,143,051.20 = 363,768.32 : x
  2. Step 2: Convert to fraction form
    1,428,723.84/2,143,051.20 = 363,768.32/x
  3. Step 3: Cross multiply
    1,428,723.84x = 2,143,051.20 × 363,768.32
  4. Step 4: Simplify right side
    1,428,723.84x = 779,574,134,697.98
  5. Step 5: Solve for x
    x = 779,574,134,697.98/1,428,723.84
  6. Step 6: Final answer
    x = 545,643.68

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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.