Home / 1,676,156.25-2,312,692.25-987,855.51

Finding the Fourth Proportional to 1,676,156.25, 2,312,692.25 and 987,855.51

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Solution

The fourth proportional to 1,676,156.25, 2,312,692.25 and 987,855.51 is: 1,363,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,156.25 : 2,312,692.25 = 987,855.51 : x
  2. Step 2: Convert to fraction form
    1,676,156.25/2,312,692.25 = 987,855.51/x
  3. Step 3: Cross multiply
    1,676,156.25x = 2,312,692.25 × 987,855.51
  4. Step 4: Simplify right side
    1,676,156.25x = 2,284,605,777,157.52
  5. Step 5: Solve for x
    x = 2,284,605,777,157.52/1,676,156.25
  6. Step 6: Final answer
    x = 1,363,002.87

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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.