Home / 1,262,430.70-1,742,165.52-718,601.50

Finding the Fourth Proportional to 1,262,430.70, 1,742,165.52 and 718,601.50

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Solution

The fourth proportional to 1,262,430.70, 1,742,165.52 and 718,601.50 is: 991,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,430.70 : 1,742,165.52 = 718,601.50 : x
  2. Step 2: Convert to fraction form
    1,262,430.70/1,742,165.52 = 718,601.50/x
  3. Step 3: Cross multiply
    1,262,430.70x = 1,742,165.52 × 718,601.50
  4. Step 4: Simplify right side
    1,262,430.70x = 1,251,922,755,920.28
  5. Step 5: Solve for x
    x = 1,251,922,755,920.28/1,262,430.70
  6. Step 6: Final answer
    x = 991,676.42

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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.