Home / 1,274,495.40-1,911,747.96-516,351.24

Finding the Fourth Proportional to 1,274,495.40, 1,911,747.96 and 516,351.24

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Solution

The fourth proportional to 1,274,495.40, 1,911,747.96 and 516,351.24 is: 774,528.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,495.40 : 1,911,747.96 = 516,351.24 : x
  2. Step 2: Convert to fraction form
    1,274,495.40/1,911,747.96 = 516,351.24/x
  3. Step 3: Cross multiply
    1,274,495.40x = 1,911,747.96 × 516,351.24
  4. Step 4: Simplify right side
    1,274,495.40x = 987,133,429,713.47
  5. Step 5: Solve for x
    x = 987,133,429,713.47/1,274,495.40
  6. Step 6: Final answer
    x = 774,528.83

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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.