Home / 1,780,820.40-2,457,527.40-965,046.72

Finding the Fourth Proportional to 1,780,820.40, 2,457,527.40 and 965,046.72

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Solution

The fourth proportional to 1,780,820.40, 2,457,527.40 and 965,046.72 is: 1,331,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,820.40 : 2,457,527.40 = 965,046.72 : x
  2. Step 2: Convert to fraction form
    1,780,820.40/2,457,527.40 = 965,046.72/x
  3. Step 3: Cross multiply
    1,780,820.40x = 2,457,527.40 × 965,046.72
  4. Step 4: Simplify right side
    1,780,820.40x = 2,371,628,756,680.13
  5. Step 5: Solve for x
    x = 2,371,628,756,680.13/1,780,820.40
  6. Step 6: Final answer
    x = 1,331,761.90

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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.