Home / 1,375,692.46-1,898,363.08-763,813.60

Finding the Fourth Proportional to 1,375,692.46, 1,898,363.08 and 763,813.60

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Solution

The fourth proportional to 1,375,692.46, 1,898,363.08 and 763,813.60 is: 1,054,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,692.46 : 1,898,363.08 = 763,813.60 : x
  2. Step 2: Convert to fraction form
    1,375,692.46/1,898,363.08 = 763,813.60/x
  3. Step 3: Cross multiply
    1,375,692.46x = 1,898,363.08 × 763,813.60
  4. Step 4: Simplify right side
    1,375,692.46x = 1,449,995,534,450.75
  5. Step 5: Solve for x
    x = 1,449,995,534,450.75/1,375,692.46
  6. Step 6: Final answer
    x = 1,054,011.40

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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.