Home / 1,558,590.11-2,335,818.45-800,400.95

Finding the Fourth Proportional to 1,558,590.11, 2,335,818.45 and 800,400.95

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Solution

The fourth proportional to 1,558,590.11, 2,335,818.45 and 800,400.95 is: 1,199,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,590.11 : 2,335,818.45 = 800,400.95 : x
  2. Step 2: Convert to fraction form
    1,558,590.11/2,335,818.45 = 800,400.95/x
  3. Step 3: Cross multiply
    1,558,590.11x = 2,335,818.45 × 800,400.95
  4. Step 4: Simplify right side
    1,558,590.11x = 1,869,591,306,407.53
  5. Step 5: Solve for x
    x = 1,869,591,306,407.53/1,558,590.11
  6. Step 6: Final answer
    x = 1,199,540.08

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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.