Home / 1,557,515.70-2,336,346.45-492,641.10

Finding the Fourth Proportional to 1,557,515.70, 2,336,346.45 and 492,641.10

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Solution

The fourth proportional to 1,557,515.70, 2,336,346.45 and 492,641.10 is: 738,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,515.70 : 2,336,346.45 = 492,641.10 : x
  2. Step 2: Convert to fraction form
    1,557,515.70/2,336,346.45 = 492,641.10/x
  3. Step 3: Cross multiply
    1,557,515.70x = 2,336,346.45 × 492,641.10
  4. Step 4: Simplify right side
    1,557,515.70x = 1,150,980,285,109.10
  5. Step 5: Solve for x
    x = 1,150,980,285,109.10/1,557,515.70
  6. Step 6: Final answer
    x = 738,984.71

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Double scale
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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.