Home / 1,368,164.40-2,049,136.20-864,279.60

Finding the Fourth Proportional to 1,368,164.40, 2,049,136.20 and 864,279.60

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Solution

The fourth proportional to 1,368,164.40, 2,049,136.20 and 864,279.60 is: 1,294,454.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,164.40 : 2,049,136.20 = 864,279.60 : x
  2. Step 2: Convert to fraction form
    1,368,164.40/2,049,136.20 = 864,279.60/x
  3. Step 3: Cross multiply
    1,368,164.40x = 2,049,136.20 × 864,279.60
  4. Step 4: Simplify right side
    1,368,164.40x = 1,771,026,615,281.52
  5. Step 5: Solve for x
    x = 1,771,026,615,281.52/1,368,164.40
  6. Step 6: Final answer
    x = 1,294,454.54

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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.