Home / 1,262,491.92-1,742,250.36-718,662.93

Finding the Fourth Proportional to 1,262,491.92, 1,742,250.36 and 718,662.93

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Solution

The fourth proportional to 1,262,491.92, 1,742,250.36 and 718,662.93 is: 991,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,491.92 : 1,742,250.36 = 718,662.93 : x
  2. Step 2: Convert to fraction form
    1,262,491.92/1,742,250.36 = 718,662.93/x
  3. Step 3: Cross multiply
    1,262,491.92x = 1,742,250.36 × 718,662.93
  4. Step 4: Simplify right side
    1,262,491.92x = 1,252,090,748,511.16
  5. Step 5: Solve for x
    x = 1,252,090,748,511.16/1,262,491.92
  6. Step 6: Final answer
    x = 991,761.40

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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.