Home / 1,445,771.40-2,166,032.70-1,178,082.60

Finding the Fourth Proportional to 1,445,771.40, 2,166,032.70 and 1,178,082.60

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Solution

The fourth proportional to 1,445,771.40, 2,166,032.70 and 1,178,082.60 is: 1,764,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,771.40 : 2,166,032.70 = 1,178,082.60 : x
  2. Step 2: Convert to fraction form
    1,445,771.40/2,166,032.70 = 1,178,082.60/x
  3. Step 3: Cross multiply
    1,445,771.40x = 2,166,032.70 × 1,178,082.60
  4. Step 4: Simplify right side
    1,445,771.40x = 2,551,765,434,901.02
  5. Step 5: Solve for x
    x = 2,551,765,434,901.02/1,445,771.40
  6. Step 6: Final answer
    x = 1,764,985.42

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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.