Home / 1,557,805.40-2,336,926.80-492,736.40

Finding the Fourth Proportional to 1,557,805.40, 2,336,926.80 and 492,736.40

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Solution

The fourth proportional to 1,557,805.40, 2,336,926.80 and 492,736.40 is: 739,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,805.40 : 2,336,926.80 = 492,736.40 : x
  2. Step 2: Convert to fraction form
    1,557,805.40/2,336,926.80 = 492,736.40/x
  3. Step 3: Cross multiply
    1,557,805.40x = 2,336,926.80 × 492,736.40
  4. Step 4: Simplify right side
    1,557,805.40x = 1,151,488,898,495.52
  5. Step 5: Solve for x
    x = 1,151,488,898,495.52/1,557,805.40
  6. Step 6: Final answer
    x = 739,173.78

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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.