Home / 1,787,943.66-2,681,892.81-440,123.10

Finding the Fourth Proportional to 1,787,943.66, 2,681,892.81 and 440,123.10

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Solution

The fourth proportional to 1,787,943.66, 2,681,892.81 and 440,123.10 is: 660,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,943.66 : 2,681,892.81 = 440,123.10 : x
  2. Step 2: Convert to fraction form
    1,787,943.66/2,681,892.81 = 440,123.10/x
  3. Step 3: Cross multiply
    1,787,943.66x = 2,681,892.81 × 440,123.10
  4. Step 4: Simplify right side
    1,787,943.66x = 1,180,362,977,404.91
  5. Step 5: Solve for x
    x = 1,180,362,977,404.91/1,787,943.66
  6. Step 6: Final answer
    x = 660,179.07

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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.