Home / 1,380,801.24-1,906,095.42-928,354.68

Finding the Fourth Proportional to 1,380,801.24, 1,906,095.42 and 928,354.68

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Solution

The fourth proportional to 1,380,801.24, 1,906,095.42 and 928,354.68 is: 1,281,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,801.24 : 1,906,095.42 = 928,354.68 : x
  2. Step 2: Convert to fraction form
    1,380,801.24/1,906,095.42 = 928,354.68/x
  3. Step 3: Cross multiply
    1,380,801.24x = 1,906,095.42 × 928,354.68
  4. Step 4: Simplify right side
    1,380,801.24x = 1,769,532,603,683.57
  5. Step 5: Solve for x
    x = 1,769,532,603,683.57/1,380,801.24
  6. Step 6: Final answer
    x = 1,281,525.94

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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.