Home / 1,263,175.60-1,742,989.08-719,333.68

Finding the Fourth Proportional to 1,263,175.60, 1,742,989.08 and 719,333.68

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Solution

The fourth proportional to 1,263,175.60, 1,742,989.08 and 719,333.68 is: 992,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,175.60 : 1,742,989.08 = 719,333.68 : x
  2. Step 2: Convert to fraction form
    1,263,175.60/1,742,989.08 = 719,333.68/x
  3. Step 3: Cross multiply
    1,263,175.60x = 1,742,989.08 × 719,333.68
  4. Step 4: Simplify right side
    1,263,175.60x = 1,253,790,749,116.21
  5. Step 5: Solve for x
    x = 1,253,790,749,116.21/1,263,175.60
  6. Step 6: Final answer
    x = 992,570.43

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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.