Home / 1,681,729.44-2,320,793.12-917,800

Finding the Fourth Proportional to 1,681,729.44, 2,320,793.12 and 917,800

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Solution

The fourth proportional to 1,681,729.44, 2,320,793.12 and 917,800 is: 1,266,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,729.44 : 2,320,793.12 = 917,800 : x
  2. Step 2: Convert to fraction form
    1,681,729.44/2,320,793.12 = 917,800/x
  3. Step 3: Cross multiply
    1,681,729.44x = 2,320,793.12 × 917,800
  4. Step 4: Simplify right side
    1,681,729.44x = 2,130,023,925,536
  5. Step 5: Solve for x
    x = 2,130,023,925,536/1,681,729.44
  6. Step 6: Final answer
    x = 1,266,567.54

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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.