Home / 1,521,447.52-2,099,663.18-842,384

Finding the Fourth Proportional to 1,521,447.52, 2,099,663.18 and 842,384

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Solution

The fourth proportional to 1,521,447.52, 2,099,663.18 and 842,384 is: 1,162,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,447.52 : 2,099,663.18 = 842,384 : x
  2. Step 2: Convert to fraction form
    1,521,447.52/2,099,663.18 = 842,384/x
  3. Step 3: Cross multiply
    1,521,447.52x = 2,099,663.18 × 842,384
  4. Step 4: Simplify right side
    1,521,447.52x = 1,768,722,668,221.12
  5. Step 5: Solve for x
    x = 1,768,722,668,221.12/1,521,447.52
  6. Step 6: Final answer
    x = 1,162,526.24

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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.