Home / 1,678,460.82-2,517,688.92-779,410.93

Finding the Fourth Proportional to 1,678,460.82, 2,517,688.92 and 779,410.93

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Solution

The fourth proportional to 1,678,460.82, 2,517,688.92 and 779,410.93 is: 1,169,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,460.82 : 2,517,688.92 = 779,410.93 : x
  2. Step 2: Convert to fraction form
    1,678,460.82/2,517,688.92 = 779,410.93/x
  3. Step 3: Cross multiply
    1,678,460.82x = 2,517,688.92 × 779,410.93
  4. Step 4: Simplify right side
    1,678,460.82x = 1,962,314,259,216.46
  5. Step 5: Solve for x
    x = 1,962,314,259,216.46/1,678,460.82
  6. Step 6: Final answer
    x = 1,169,115.32

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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.