Home / 1,521,445.52-2,099,660.42-842,382

Finding the Fourth Proportional to 1,521,445.52, 2,099,660.42 and 842,382

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Solution

The fourth proportional to 1,521,445.52, 2,099,660.42 and 842,382 is: 1,162,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,445.52 : 2,099,660.42 = 842,382 : x
  2. Step 2: Convert to fraction form
    1,521,445.52/2,099,660.42 = 842,382/x
  3. Step 3: Cross multiply
    1,521,445.52x = 2,099,660.42 × 842,382
  4. Step 4: Simplify right side
    1,521,445.52x = 1,768,716,143,920.44
  5. Step 5: Solve for x
    x = 1,768,716,143,920.44/1,521,445.52
  6. Step 6: Final answer
    x = 1,162,523.48

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1.5x scale

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.