Home / 1,433,675.87-1,978,472.59-780,306.58

Finding the Fourth Proportional to 1,433,675.87, 1,978,472.59 and 780,306.58

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Solution

The fourth proportional to 1,433,675.87, 1,978,472.59 and 780,306.58 is: 1,076,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,675.87 : 1,978,472.59 = 780,306.58 : x
  2. Step 2: Convert to fraction form
    1,433,675.87/1,978,472.59 = 780,306.58/x
  3. Step 3: Cross multiply
    1,433,675.87x = 1,978,472.59 × 780,306.58
  4. Step 4: Simplify right side
    1,433,675.87x = 1,543,815,166,532.75
  5. Step 5: Solve for x
    x = 1,543,815,166,532.75/1,433,675.87
  6. Step 6: Final answer
    x = 1,076,823.01

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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.