Home / 1,262,651.70-1,742,027.13-718,651.25

Finding the Fourth Proportional to 1,262,651.70, 1,742,027.13 and 718,651.25

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Solution

The fourth proportional to 1,262,651.70, 1,742,027.13 and 718,651.25 is: 991,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,651.70 : 1,742,027.13 = 718,651.25 : x
  2. Step 2: Convert to fraction form
    1,262,651.70/1,742,027.13 = 718,651.25/x
  3. Step 3: Cross multiply
    1,262,651.70x = 1,742,027.13 × 718,651.25
  4. Step 4: Simplify right side
    1,262,651.70x = 1,251,909,974,508.41
  5. Step 5: Solve for x
    x = 1,251,909,974,508.41/1,262,651.70
  6. Step 6: Final answer
    x = 991,492.72

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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.