Home / 1,420,907.32-2,132,878.23-611,692.25

Finding the Fourth Proportional to 1,420,907.32, 2,132,878.23 and 611,692.25

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Solution

The fourth proportional to 1,420,907.32, 2,132,878.23 and 611,692.25 is: 918,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,907.32 : 2,132,878.23 = 611,692.25 : x
  2. Step 2: Convert to fraction form
    1,420,907.32/2,132,878.23 = 611,692.25/x
  3. Step 3: Cross multiply
    1,420,907.32x = 2,132,878.23 × 611,692.25
  4. Step 4: Simplify right side
    1,420,907.32x = 1,304,665,083,484.72
  5. Step 5: Solve for x
    x = 1,304,665,083,484.72/1,420,907.32
  6. Step 6: Final answer
    x = 918,191.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.