Home / 1,262,648.70-1,742,022.99-718,648.25

Finding the Fourth Proportional to 1,262,648.70, 1,742,022.99 and 718,648.25

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Solution

The fourth proportional to 1,262,648.70, 1,742,022.99 and 718,648.25 is: 991,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,648.70 : 1,742,022.99 = 718,648.25 : x
  2. Step 2: Convert to fraction form
    1,262,648.70/1,742,022.99 = 718,648.25/x
  3. Step 3: Cross multiply
    1,262,648.70x = 1,742,022.99 × 718,648.25
  4. Step 4: Simplify right side
    1,262,648.70x = 1,251,901,764,513.15
  5. Step 5: Solve for x
    x = 1,251,901,764,513.15/1,262,648.70
  6. Step 6: Final answer
    x = 991,488.58

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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.