Home / 1,273,089.39-1,756,828.31-700,129.50

Finding the Fourth Proportional to 1,273,089.39, 1,756,828.31 and 700,129.50

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Solution

The fourth proportional to 1,273,089.39, 1,756,828.31 and 700,129.50 is: 966,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,089.39 : 1,756,828.31 = 700,129.50 : x
  2. Step 2: Convert to fraction form
    1,273,089.39/1,756,828.31 = 700,129.50/x
  3. Step 3: Cross multiply
    1,273,089.39x = 1,756,828.31 × 700,129.50
  4. Step 4: Simplify right side
    1,273,089.39x = 1,230,007,322,765.50
  5. Step 5: Solve for x
    x = 1,230,007,322,765.50/1,273,089.39
  6. Step 6: Final answer
    x = 966,159.43

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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.