Home / 1,311,692.51-1,810,264.80-767,795.33

Finding the Fourth Proportional to 1,311,692.51, 1,810,264.80 and 767,795.33

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Solution

The fourth proportional to 1,311,692.51, 1,810,264.80 and 767,795.33 is: 1,059,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,692.51 : 1,810,264.80 = 767,795.33 : x
  2. Step 2: Convert to fraction form
    1,311,692.51/1,810,264.80 = 767,795.33/x
  3. Step 3: Cross multiply
    1,311,692.51x = 1,810,264.80 × 767,795.33
  4. Step 4: Simplify right side
    1,311,692.51x = 1,389,912,859,503.38
  5. Step 5: Solve for x
    x = 1,389,912,859,503.38/1,311,692.51
  6. Step 6: Final answer
    x = 1,059,633.14

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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.