Home / 1,161,612.04-1,742,505.54-320,156.50

Finding the Fourth Proportional to 1,161,612.04, 1,742,505.54 and 320,156.50

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Solution

The fourth proportional to 1,161,612.04, 1,742,505.54 and 320,156.50 is: 480,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,612.04 : 1,742,505.54 = 320,156.50 : x
  2. Step 2: Convert to fraction form
    1,161,612.04/1,742,505.54 = 320,156.50/x
  3. Step 3: Cross multiply
    1,161,612.04x = 1,742,505.54 × 320,156.50
  4. Step 4: Simplify right side
    1,161,612.04x = 557,874,474,917.01
  5. Step 5: Solve for x
    x = 557,874,474,917.01/1,161,612.04
  6. Step 6: Final answer
    x = 480,258.86

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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.