Home / 1,769,712.64-2,442,390.82-1,081,787.16

Finding the Fourth Proportional to 1,769,712.64, 2,442,390.82 and 1,081,787.16

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Solution

The fourth proportional to 1,769,712.64, 2,442,390.82 and 1,081,787.16 is: 1,492,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,712.64 : 2,442,390.82 = 1,081,787.16 : x
  2. Step 2: Convert to fraction form
    1,769,712.64/2,442,390.82 = 1,081,787.16/x
  3. Step 3: Cross multiply
    1,769,712.64x = 2,442,390.82 × 1,081,787.16
  4. Step 4: Simplify right side
    1,769,712.64x = 2,642,147,041,317.42
  5. Step 5: Solve for x
    x = 2,642,147,041,317.42/1,769,712.64
  6. Step 6: Final answer
    x = 1,492,980.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.