Home / 1,742,817.72-2,405,040.48-968,428.56

Finding the Fourth Proportional to 1,742,817.72, 2,405,040.48 and 968,428.56

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Solution

The fourth proportional to 1,742,817.72, 2,405,040.48 and 968,428.56 is: 1,336,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,817.72 : 2,405,040.48 = 968,428.56 : x
  2. Step 2: Convert to fraction form
    1,742,817.72/2,405,040.48 = 968,428.56/x
  3. Step 3: Cross multiply
    1,742,817.72x = 2,405,040.48 × 968,428.56
  4. Step 4: Simplify right side
    1,742,817.72x = 2,329,109,888,788.11
  5. Step 5: Solve for x
    x = 2,329,109,888,788.11/1,742,817.72
  6. Step 6: Final answer
    x = 1,336,404.76

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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.