Home / 1,424,495.30-2,136,742.95-413,615.30

Finding the Fourth Proportional to 1,424,495.30, 2,136,742.95 and 413,615.30

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Solution

The fourth proportional to 1,424,495.30, 2,136,742.95 and 413,615.30 is: 620,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,495.30 : 2,136,742.95 = 413,615.30 : x
  2. Step 2: Convert to fraction form
    1,424,495.30/2,136,742.95 = 413,615.30/x
  3. Step 3: Cross multiply
    1,424,495.30x = 2,136,742.95 × 413,615.30
  4. Step 4: Simplify right side
    1,424,495.30x = 883,789,576,287.14
  5. Step 5: Solve for x
    x = 883,789,576,287.14/1,424,495.30
  6. Step 6: Final answer
    x = 620,422.95

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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.