Home / 1,312,469.94-1,811,264.28-731,692.95

Finding the Fourth Proportional to 1,312,469.94, 1,811,264.28 and 731,692.95

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Solution

The fourth proportional to 1,312,469.94, 1,811,264.28 and 731,692.95 is: 1,009,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,469.94 : 1,811,264.28 = 731,692.95 : x
  2. Step 2: Convert to fraction form
    1,312,469.94/1,811,264.28 = 731,692.95/x
  3. Step 3: Cross multiply
    1,312,469.94x = 1,811,264.28 × 731,692.95
  4. Step 4: Simplify right side
    1,312,469.94x = 1,325,289,304,262.83
  5. Step 5: Solve for x
    x = 1,325,289,304,262.83/1,312,469.94
  6. Step 6: Final answer
    x = 1,009,767.36

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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.