Home / 1,270,611.27-1,754,264.12-787,692.51

Finding the Fourth Proportional to 1,270,611.27, 1,754,264.12 and 787,692.51

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Solution

The fourth proportional to 1,270,611.27, 1,754,264.12 and 787,692.51 is: 1,087,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,611.27 : 1,754,264.12 = 787,692.51 : x
  2. Step 2: Convert to fraction form
    1,270,611.27/1,754,264.12 = 787,692.51/x
  3. Step 3: Cross multiply
    1,270,611.27x = 1,754,264.12 × 787,692.51
  4. Step 4: Simplify right side
    1,270,611.27x = 1,381,820,703,947.28
  5. Step 5: Solve for x
    x = 1,381,820,703,947.28/1,270,611.27
  6. Step 6: Final answer
    x = 1,087,524.36

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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.