Home / 1,148,406.90-1,721,452.38-722,247.27

Finding the Fourth Proportional to 1,148,406.90, 1,721,452.38 and 722,247.27

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Solution

The fourth proportional to 1,148,406.90, 1,721,452.38 and 722,247.27 is: 1,082,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,406.90 : 1,721,452.38 = 722,247.27 : x
  2. Step 2: Convert to fraction form
    1,148,406.90/1,721,452.38 = 722,247.27/x
  3. Step 3: Cross multiply
    1,148,406.90x = 1,721,452.38 × 722,247.27
  4. Step 4: Simplify right side
    1,148,406.90x = 1,243,314,281,890.00
  5. Step 5: Solve for x
    x = 1,243,314,281,890.00/1,148,406.90
  6. Step 6: Final answer
    x = 1,082,642.64

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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.