Home / 1,079,787.63-1,619,977.38-472,465.89

Finding the Fourth Proportional to 1,079,787.63, 1,619,977.38 and 472,465.89

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Solution

The fourth proportional to 1,079,787.63, 1,619,977.38 and 472,465.89 is: 708,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,787.63 : 1,619,977.38 = 472,465.89 : x
  2. Step 2: Convert to fraction form
    1,079,787.63/1,619,977.38 = 472,465.89/x
  3. Step 3: Cross multiply
    1,079,787.63x = 1,619,977.38 × 472,465.89
  4. Step 4: Simplify right side
    1,079,787.63x = 765,384,054,621.57
  5. Step 5: Solve for x
    x = 765,384,054,621.57/1,079,787.63
  6. Step 6: Final answer
    x = 708,828.32

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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.