Home / 1,557,006.12-2,335,308.30-492,155.82

Finding the Fourth Proportional to 1,557,006.12, 2,335,308.30 and 492,155.82

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Solution

The fourth proportional to 1,557,006.12, 2,335,308.30 and 492,155.82 is: 738,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,006.12 : 2,335,308.30 = 492,155.82 : x
  2. Step 2: Convert to fraction form
    1,557,006.12/2,335,308.30 = 492,155.82/x
  3. Step 3: Cross multiply
    1,557,006.12x = 2,335,308.30 × 492,155.82
  4. Step 4: Simplify right side
    1,557,006.12x = 1,149,335,571,339.31
  5. Step 5: Solve for x
    x = 1,149,335,571,339.31/1,557,006.12
  6. Step 6: Final answer
    x = 738,170.23

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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.