Home / 1,270,563.27-1,754,197.88-787,644.51

Finding the Fourth Proportional to 1,270,563.27, 1,754,197.88 and 787,644.51

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Solution

The fourth proportional to 1,270,563.27, 1,754,197.88 and 787,644.51 is: 1,087,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,563.27 : 1,754,197.88 = 787,644.51 : x
  2. Step 2: Convert to fraction form
    1,270,563.27/1,754,197.88 = 787,644.51/x
  3. Step 3: Cross multiply
    1,270,563.27x = 1,754,197.88 × 787,644.51
  4. Step 4: Simplify right side
    1,270,563.27x = 1,381,684,325,697.42
  5. Step 5: Solve for x
    x = 1,381,684,325,697.42/1,270,563.27
  6. Step 6: Final answer
    x = 1,087,458.10

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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.