Home / 1,347,446.30-2,021,169.45-869,149.40

Finding the Fourth Proportional to 1,347,446.30, 2,021,169.45 and 869,149.40

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Solution

The fourth proportional to 1,347,446.30, 2,021,169.45 and 869,149.40 is: 1,303,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,446.30 : 2,021,169.45 = 869,149.40 : x
  2. Step 2: Convert to fraction form
    1,347,446.30/2,021,169.45 = 869,149.40/x
  3. Step 3: Cross multiply
    1,347,446.30x = 2,021,169.45 × 869,149.40
  4. Step 4: Simplify right side
    1,347,446.30x = 1,756,698,214,765.83
  5. Step 5: Solve for x
    x = 1,756,698,214,765.83/1,347,446.30
  6. Step 6: Final answer
    x = 1,303,724.10

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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.