Home / 1,359,749.46-2,039,622.75-647,617.62

Finding the Fourth Proportional to 1,359,749.46, 2,039,622.75 and 647,617.62

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Solution

The fourth proportional to 1,359,749.46, 2,039,622.75 and 647,617.62 is: 971,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,749.46 : 2,039,622.75 = 647,617.62 : x
  2. Step 2: Convert to fraction form
    1,359,749.46/2,039,622.75 = 647,617.62/x
  3. Step 3: Cross multiply
    1,359,749.46x = 2,039,622.75 × 647,617.62
  4. Step 4: Simplify right side
    1,359,749.46x = 1,320,895,631,052.86
  5. Step 5: Solve for x
    x = 1,320,895,631,052.86/1,359,749.46
  6. Step 6: Final answer
    x = 971,425.74

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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.