Home / 1,301,874.80-1,949,010.60-928,626.80

Finding the Fourth Proportional to 1,301,874.80, 1,949,010.60 and 928,626.80

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Solution

The fourth proportional to 1,301,874.80, 1,949,010.60 and 928,626.80 is: 1,390,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,874.80 : 1,949,010.60 = 928,626.80 : x
  2. Step 2: Convert to fraction form
    1,301,874.80/1,949,010.60 = 928,626.80/x
  3. Step 3: Cross multiply
    1,301,874.80x = 1,949,010.60 × 928,626.80
  4. Step 4: Simplify right side
    1,301,874.80x = 1,809,903,476,644.08
  5. Step 5: Solve for x
    x = 1,809,903,476,644.08/1,301,874.80
  6. Step 6: Final answer
    x = 1,390,228.52

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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.