Home / 1,433,675.50-1,978,472.07-780,306.20

Finding the Fourth Proportional to 1,433,675.50, 1,978,472.07 and 780,306.20

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Solution

The fourth proportional to 1,433,675.50, 1,978,472.07 and 780,306.20 is: 1,076,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,675.50 : 1,978,472.07 = 780,306.20 : x
  2. Step 2: Convert to fraction form
    1,433,675.50/1,978,472.07 = 780,306.20/x
  3. Step 3: Cross multiply
    1,433,675.50x = 1,978,472.07 × 780,306.20
  4. Step 4: Simplify right side
    1,433,675.50x = 1,543,814,008,953.94
  5. Step 5: Solve for x
    x = 1,543,814,008,953.94/1,433,675.50
  6. Step 6: Final answer
    x = 1,076,822.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.