Home / 1,262,402.70-1,742,117.67-718,538.48

Finding the Fourth Proportional to 1,262,402.70, 1,742,117.67 and 718,538.48

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Solution

The fourth proportional to 1,262,402.70, 1,742,117.67 and 718,538.48 is: 991,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,402.70 : 1,742,117.67 = 718,538.48 : x
  2. Step 2: Convert to fraction form
    1,262,402.70/1,742,117.67 = 718,538.48/x
  3. Step 3: Cross multiply
    1,262,402.70x = 1,742,117.67 × 718,538.48
  4. Step 4: Simplify right side
    1,262,402.70x = 1,251,778,580,405.29
  5. Step 5: Solve for x
    x = 1,251,778,580,405.29/1,262,402.70
  6. Step 6: Final answer
    x = 991,584.21

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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.