Home / 1,262,429.70-1,742,164.14-718,600.50

Finding the Fourth Proportional to 1,262,429.70, 1,742,164.14 and 718,600.50

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Solution

The fourth proportional to 1,262,429.70, 1,742,164.14 and 718,600.50 is: 991,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,429.70 : 1,742,164.14 = 718,600.50 : x
  2. Step 2: Convert to fraction form
    1,262,429.70/1,742,164.14 = 718,600.50/x
  3. Step 3: Cross multiply
    1,262,429.70x = 1,742,164.14 × 718,600.50
  4. Step 4: Simplify right side
    1,262,429.70x = 1,251,920,022,086.07
  5. Step 5: Solve for x
    x = 1,251,920,022,086.07/1,262,429.70
  6. Step 6: Final answer
    x = 991,675.04

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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.