Home / 988,166.40-1,478,563.20-899,692.80

Finding the Fourth Proportional to 988,166.40, 1,478,563.20 and 899,692.80

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Solution

The fourth proportional to 988,166.40, 1,478,563.20 and 899,692.80 is: 1,346,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,166.40 : 1,478,563.20 = 899,692.80 : x
  2. Step 2: Convert to fraction form
    988,166.40/1,478,563.20 = 899,692.80/x
  3. Step 3: Cross multiply
    988,166.40x = 1,478,563.20 × 899,692.80
  4. Step 4: Simplify right side
    988,166.40x = 1,330,252,665,384.96
  5. Step 5: Solve for x
    x = 1,330,252,665,384.96/988,166.40
  6. Step 6: Final answer
    x = 1,346,182.85

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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.