Home / 1,326,692.40-1,990,859.40-696,058.80

Finding the Fourth Proportional to 1,326,692.40, 1,990,859.40 and 696,058.80

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Solution

The fourth proportional to 1,326,692.40, 1,990,859.40 and 696,058.80 is: 1,044,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,692.40 : 1,990,859.40 = 696,058.80 : x
  2. Step 2: Convert to fraction form
    1,326,692.40/1,990,859.40 = 696,058.80/x
  3. Step 3: Cross multiply
    1,326,692.40x = 1,990,859.40 × 696,058.80
  4. Step 4: Simplify right side
    1,326,692.40x = 1,385,755,204,932.72
  5. Step 5: Solve for x
    x = 1,385,755,204,932.72/1,326,692.40
  6. Step 6: Final answer
    x = 1,044,518.84

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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.