Home / 918,157.40-1,377,236.10-729,200.60

Finding the Fourth Proportional to 918,157.40, 1,377,236.10 and 729,200.60

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Solution

The fourth proportional to 918,157.40, 1,377,236.10 and 729,200.60 is: 1,093,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,157.40 : 1,377,236.10 = 729,200.60 : x
  2. Step 2: Convert to fraction form
    918,157.40/1,377,236.10 = 729,200.60/x
  3. Step 3: Cross multiply
    918,157.40x = 1,377,236.10 × 729,200.60
  4. Step 4: Simplify right side
    918,157.40x = 1,004,281,390,461.66
  5. Step 5: Solve for x
    x = 1,004,281,390,461.66/918,157.40
  6. Step 6: Final answer
    x = 1,093,800.90

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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.