Home / 1,288,590.64-1,932,735.82-342,034.92

Finding the Fourth Proportional to 1,288,590.64, 1,932,735.82 and 342,034.92

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Solution

The fourth proportional to 1,288,590.64, 1,932,735.82 and 342,034.92 is: 513,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,590.64 : 1,932,735.82 = 342,034.92 : x
  2. Step 2: Convert to fraction form
    1,288,590.64/1,932,735.82 = 342,034.92/x
  3. Step 3: Cross multiply
    1,288,590.64x = 1,932,735.82 × 342,034.92
  4. Step 4: Simplify right side
    1,288,590.64x = 661,063,141,574.83
  5. Step 5: Solve for x
    x = 661,063,141,574.83/1,288,590.64
  6. Step 6: Final answer
    x = 513,012.53

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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.