Home / 1,262,434.96-1,742,171.36-718,605.76

Finding the Fourth Proportional to 1,262,434.96, 1,742,171.36 and 718,605.76

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Solution

The fourth proportional to 1,262,434.96, 1,742,171.36 and 718,605.76 is: 991,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,434.96 : 1,742,171.36 = 718,605.76 : x
  2. Step 2: Convert to fraction form
    1,262,434.96/1,742,171.36 = 718,605.76/x
  3. Step 3: Cross multiply
    1,262,434.96x = 1,742,171.36 × 718,605.76
  4. Step 4: Simplify right side
    1,262,434.96x = 1,251,934,374,203.03
  5. Step 5: Solve for x
    x = 1,251,934,374,203.03/1,262,434.96
  6. Step 6: Final answer
    x = 991,682.28

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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.