Home / 1,642,136.42-2,265,504.72-953,690.60

Finding the Fourth Proportional to 1,642,136.42, 2,265,504.72 and 953,690.60

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Solution

The fourth proportional to 1,642,136.42, 2,265,504.72 and 953,690.60 is: 1,315,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,136.42 : 2,265,504.72 = 953,690.60 : x
  2. Step 2: Convert to fraction form
    1,642,136.42/2,265,504.72 = 953,690.60/x
  3. Step 3: Cross multiply
    1,642,136.42x = 2,265,504.72 × 953,690.60
  4. Step 4: Simplify right side
    1,642,136.42x = 2,160,590,555,719.63
  5. Step 5: Solve for x
    x = 2,160,590,555,719.63/1,642,136.42
  6. Step 6: Final answer
    x = 1,315,719.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.