Home / 963,905.40-1,445,858.10-918,286.20

Finding the Fourth Proportional to 963,905.40, 1,445,858.10 and 918,286.20

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Solution

The fourth proportional to 963,905.40, 1,445,858.10 and 918,286.20 is: 1,377,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,905.40 : 1,445,858.10 = 918,286.20 : x
  2. Step 2: Convert to fraction form
    963,905.40/1,445,858.10 = 918,286.20/x
  3. Step 3: Cross multiply
    963,905.40x = 1,445,858.10 × 918,286.20
  4. Step 4: Simplify right side
    963,905.40x = 1,327,711,540,388.22
  5. Step 5: Solve for x
    x = 1,327,711,540,388.22/963,905.40
  6. Step 6: Final answer
    x = 1,377,429.30

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Similar ratio
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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.