Home / 1,557,424.40-2,336,136.60-492,792.80

Finding the Fourth Proportional to 1,557,424.40, 2,336,136.60 and 492,792.80

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Solution

The fourth proportional to 1,557,424.40, 2,336,136.60 and 492,792.80 is: 739,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,424.40 : 2,336,136.60 = 492,792.80 : x
  2. Step 2: Convert to fraction form
    1,557,424.40/2,336,136.60 = 492,792.80/x
  3. Step 3: Cross multiply
    1,557,424.40x = 2,336,136.60 × 492,792.80
  4. Step 4: Simplify right side
    1,557,424.40x = 1,151,231,296,296.48
  5. Step 5: Solve for x
    x = 1,151,231,296,296.48/1,557,424.40
  6. Step 6: Final answer
    x = 739,189.20

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Double scale
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Similar ratio
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1.5x scale

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.