Home / 1,055,920.18-1,457,175.09-1,017,778.90

Finding the Fourth Proportional to 1,055,920.18, 1,457,175.09 and 1,017,778.90

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Solution

The fourth proportional to 1,055,920.18, 1,457,175.09 and 1,017,778.90 is: 1,404,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,920.18 : 1,457,175.09 = 1,017,778.90 : x
  2. Step 2: Convert to fraction form
    1,055,920.18/1,457,175.09 = 1,017,778.90/x
  3. Step 3: Cross multiply
    1,055,920.18x = 1,457,175.09 × 1,017,778.90
  4. Step 4: Simplify right side
    1,055,920.18x = 1,483,082,060,381.33
  5. Step 5: Solve for x
    x = 1,483,082,060,381.33/1,055,920.18
  6. Step 6: Final answer
    x = 1,404,539.94

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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.