Home / 1,521,582.66-2,099,758.41-842,504.58

Finding the Fourth Proportional to 1,521,582.66, 2,099,758.41 and 842,504.58

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Solution

The fourth proportional to 1,521,582.66, 2,099,758.41 and 842,504.58 is: 1,162,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,582.66 : 2,099,758.41 = 842,504.58 : x
  2. Step 2: Convert to fraction form
    1,521,582.66/2,099,758.41 = 842,504.58/x
  3. Step 3: Cross multiply
    1,521,582.66x = 2,099,758.41 × 842,504.58
  4. Step 4: Simplify right side
    1,521,582.66x = 1,769,056,077,318.52
  5. Step 5: Solve for x
    x = 1,769,056,077,318.52/1,521,582.66
  6. Step 6: Final answer
    x = 1,162,642.11

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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.