Home / 1,228,513.16-1,842,917.42-1,161,328.52

Finding the Fourth Proportional to 1,228,513.16, 1,842,917.42 and 1,161,328.52

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Solution

The fourth proportional to 1,228,513.16, 1,842,917.42 and 1,161,328.52 is: 1,742,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,513.16 : 1,842,917.42 = 1,161,328.52 : x
  2. Step 2: Convert to fraction form
    1,228,513.16/1,842,917.42 = 1,161,328.52/x
  3. Step 3: Cross multiply
    1,228,513.16x = 1,842,917.42 × 1,161,328.52
  4. Step 4: Simplify right side
    1,228,513.16x = 2,140,232,559,850.82
  5. Step 5: Solve for x
    x = 2,140,232,559,850.82/1,228,513.16
  6. Step 6: Final answer
    x = 1,742,132.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.