Home / 1,557,428.20-2,335,704.90-492,796.60

Finding the Fourth Proportional to 1,557,428.20, 2,335,704.90 and 492,796.60

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Solution

The fourth proportional to 1,557,428.20, 2,335,704.90 and 492,796.60 is: 739,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,428.20 : 2,335,704.90 = 492,796.60 : x
  2. Step 2: Convert to fraction form
    1,557,428.20/2,335,704.90 = 492,796.60/x
  3. Step 3: Cross multiply
    1,557,428.20x = 2,335,704.90 × 492,796.60
  4. Step 4: Simplify right side
    1,557,428.20x = 1,151,027,433,323.34
  5. Step 5: Solve for x
    x = 1,151,027,433,323.34/1,557,428.20
  6. Step 6: Final answer
    x = 739,056.50

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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.