Home / 1,676,632.72-2,313,753.44-912,692.08

Finding the Fourth Proportional to 1,676,632.72, 2,313,753.44 and 912,692.08

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Solution

The fourth proportional to 1,676,632.72, 2,313,753.44 and 912,692.08 is: 1,259,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,632.72 : 2,313,753.44 = 912,692.08 : x
  2. Step 2: Convert to fraction form
    1,676,632.72/2,313,753.44 = 912,692.08/x
  3. Step 3: Cross multiply
    1,676,632.72x = 2,313,753.44 × 912,692.08
  4. Step 4: Simplify right side
    1,676,632.72x = 2,111,744,439,760.76
  5. Step 5: Solve for x
    x = 2,111,744,439,760.76/1,676,632.72
  6. Step 6: Final answer
    x = 1,259,515.23

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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.