Home / 1,209,952.02-1,814,915.68-311,390.26

Finding the Fourth Proportional to 1,209,952.02, 1,814,915.68 and 311,390.26

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Solution

The fourth proportional to 1,209,952.02, 1,814,915.68 and 311,390.26 is: 467,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,952.02 : 1,814,915.68 = 311,390.26 : x
  2. Step 2: Convert to fraction form
    1,209,952.02/1,814,915.68 = 311,390.26/x
  3. Step 3: Cross multiply
    1,209,952.02x = 1,814,915.68 × 311,390.26
  4. Step 4: Simplify right side
    1,209,952.02x = 565,147,065,473.28
  5. Step 5: Solve for x
    x = 565,147,065,473.28/1,209,952.02
  6. Step 6: Final answer
    x = 467,082.21

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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.