Home / 1,787,460.10-2,679,679.59-775,816.90

Finding the Fourth Proportional to 1,787,460.10, 2,679,679.59 and 775,816.90

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Solution

The fourth proportional to 1,787,460.10, 2,679,679.59 and 775,816.90 is: 1,163,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,460.10 : 2,679,679.59 = 775,816.90 : x
  2. Step 2: Convert to fraction form
    1,787,460.10/2,679,679.59 = 775,816.90/x
  3. Step 3: Cross multiply
    1,787,460.10x = 2,679,679.59 × 775,816.90
  4. Step 4: Simplify right side
    1,787,460.10x = 2,078,940,712,507.07
  5. Step 5: Solve for x
    x = 2,078,940,712,507.07/1,787,460.10
  6. Step 6: Final answer
    x = 1,163,069.72

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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.