Home / 1,261,692.06-1,740,902.18-717,796.10

Finding the Fourth Proportional to 1,261,692.06, 1,740,902.18 and 717,796.10

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Solution

The fourth proportional to 1,261,692.06, 1,740,902.18 and 717,796.10 is: 990,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,692.06 : 1,740,902.18 = 717,796.10 : x
  2. Step 2: Convert to fraction form
    1,261,692.06/1,740,902.18 = 717,796.10/x
  3. Step 3: Cross multiply
    1,261,692.06x = 1,740,902.18 × 717,796.10
  4. Step 4: Simplify right side
    1,261,692.06x = 1,249,612,782,992.01
  5. Step 5: Solve for x
    x = 1,249,612,782,992.01/1,261,692.06
  6. Step 6: Final answer
    x = 990,426.13

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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.