Home / 1,284,510.57-1,772,624.31-703,754.31

Finding the Fourth Proportional to 1,284,510.57, 1,772,624.31 and 703,754.31

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Solution

The fourth proportional to 1,284,510.57, 1,772,624.31 and 703,754.31 is: 971,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,510.57 : 1,772,624.31 = 703,754.31 : x
  2. Step 2: Convert to fraction form
    1,284,510.57/1,772,624.31 = 703,754.31/x
  3. Step 3: Cross multiply
    1,284,510.57x = 1,772,624.31 × 703,754.31
  4. Step 4: Simplify right side
    1,284,510.57x = 1,247,491,998,173.28
  5. Step 5: Solve for x
    x = 1,247,491,998,173.28/1,284,510.57
  6. Step 6: Final answer
    x = 971,180.80

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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.