Home / 1,262,424.72-1,742,157.24-718,595.52

Finding the Fourth Proportional to 1,262,424.72, 1,742,157.24 and 718,595.52

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Solution

The fourth proportional to 1,262,424.72, 1,742,157.24 and 718,595.52 is: 991,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,424.72 : 1,742,157.24 = 718,595.52 : x
  2. Step 2: Convert to fraction form
    1,262,424.72/1,742,157.24 = 718,595.52/x
  3. Step 3: Cross multiply
    1,262,424.72x = 1,742,157.24 × 718,595.52
  4. Step 4: Simplify right side
    1,262,424.72x = 1,251,906,387,799.57
  5. Step 5: Solve for x
    x = 1,251,906,387,799.57/1,262,424.72
  6. Step 6: Final answer
    x = 991,668.15

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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.