Home / 1,141,872-1,712,742.12-343,136.40

Finding the Fourth Proportional to 1,141,872, 1,712,742.12 and 343,136.40

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Solution

The fourth proportional to 1,141,872, 1,712,742.12 and 343,136.40 is: 514,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,872 : 1,712,742.12 = 343,136.40 : x
  2. Step 2: Convert to fraction form
    1,141,872/1,712,742.12 = 343,136.40/x
  3. Step 3: Cross multiply
    1,141,872x = 1,712,742.12 × 343,136.40
  4. Step 4: Simplify right side
    1,141,872x = 587,704,165,185.17
  5. Step 5: Solve for x
    x = 587,704,165,185.17/1,141,872
  6. Step 6: Final answer
    x = 514,684.80

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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.