Home / 1,705,447.20-2,557,725.30-507,046.80

Finding the Fourth Proportional to 1,705,447.20, 2,557,725.30 and 507,046.80

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Solution

The fourth proportional to 1,705,447.20, 2,557,725.30 and 507,046.80 is: 760,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,447.20 : 2,557,725.30 = 507,046.80 : x
  2. Step 2: Convert to fraction form
    1,705,447.20/2,557,725.30 = 507,046.80/x
  3. Step 3: Cross multiply
    1,705,447.20x = 2,557,725.30 × 507,046.80
  4. Step 4: Simplify right side
    1,705,447.20x = 1,296,886,428,644.04
  5. Step 5: Solve for x
    x = 1,296,886,428,644.04/1,705,447.20
  6. Step 6: Final answer
    x = 760,437.75

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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.