Home / 1,322,610.42-1,825,614.81-778,702.98

Finding the Fourth Proportional to 1,322,610.42, 1,825,614.81 and 778,702.98

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Solution

The fourth proportional to 1,322,610.42, 1,825,614.81 and 778,702.98 is: 1,074,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,610.42 : 1,825,614.81 = 778,702.98 : x
  2. Step 2: Convert to fraction form
    1,322,610.42/1,825,614.81 = 778,702.98/x
  3. Step 3: Cross multiply
    1,322,610.42x = 1,825,614.81 × 778,702.98
  4. Step 4: Simplify right side
    1,322,610.42x = 1,421,611,692,879.13
  5. Step 5: Solve for x
    x = 1,421,611,692,879.13/1,322,610.42
  6. Step 6: Final answer
    x = 1,074,852.94

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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.