Home / 1,314,367.20-1,970,702.94-515,729.42

Finding the Fourth Proportional to 1,314,367.20, 1,970,702.94 and 515,729.42

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Solution

The fourth proportional to 1,314,367.20, 1,970,702.94 and 515,729.42 is: 773,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,367.20 : 1,970,702.94 = 515,729.42 : x
  2. Step 2: Convert to fraction form
    1,314,367.20/1,970,702.94 = 515,729.42/x
  3. Step 3: Cross multiply
    1,314,367.20x = 1,970,702.94 × 515,729.42
  4. Step 4: Simplify right side
    1,314,367.20x = 1,016,349,484,238.49
  5. Step 5: Solve for x
    x = 1,016,349,484,238.49/1,314,367.20
  6. Step 6: Final answer
    x = 773,261.45

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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.