Home / 1,557,816.40-2,336,943.30-492,747.40

Finding the Fourth Proportional to 1,557,816.40, 2,336,943.30 and 492,747.40

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Solution

The fourth proportional to 1,557,816.40, 2,336,943.30 and 492,747.40 is: 739,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,816.40 : 2,336,943.30 = 492,747.40 : x
  2. Step 2: Convert to fraction form
    1,557,816.40/2,336,943.30 = 492,747.40/x
  3. Step 3: Cross multiply
    1,557,816.40x = 2,336,943.30 × 492,747.40
  4. Step 4: Simplify right side
    1,557,816.40x = 1,151,522,735,022.42
  5. Step 5: Solve for x
    x = 1,151,522,735,022.42/1,557,816.40
  6. Step 6: Final answer
    x = 739,190.28

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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.