Home / 1,521,454.88-2,099,673.35-842,391.38

Finding the Fourth Proportional to 1,521,454.88, 2,099,673.35 and 842,391.38

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Solution

The fourth proportional to 1,521,454.88, 2,099,673.35 and 842,391.38 is: 1,162,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,454.88 : 2,099,673.35 = 842,391.38 : x
  2. Step 2: Convert to fraction form
    1,521,454.88/2,099,673.35 = 842,391.38/x
  3. Step 3: Cross multiply
    1,521,454.88x = 2,099,673.35 × 842,391.38
  4. Step 4: Simplify right side
    1,521,454.88x = 1,768,746,716,145.40
  5. Step 5: Solve for x
    x = 1,768,746,716,145.40/1,521,454.88
  6. Step 6: Final answer
    x = 1,162,536.43

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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.