Home / 1,119,773.79-1,679,662.01-278,325.54

Finding the Fourth Proportional to 1,119,773.79, 1,679,662.01 and 278,325.54

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Solution

The fourth proportional to 1,119,773.79, 1,679,662.01 and 278,325.54 is: 417,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,773.79 : 1,679,662.01 = 278,325.54 : x
  2. Step 2: Convert to fraction form
    1,119,773.79/1,679,662.01 = 278,325.54/x
  3. Step 3: Cross multiply
    1,119,773.79x = 1,679,662.01 × 278,325.54
  4. Step 4: Simplify right side
    1,119,773.79x = 467,492,836,646.55
  5. Step 5: Solve for x
    x = 467,492,836,646.55/1,119,773.79
  6. Step 6: Final answer
    x = 417,488.64

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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.