Home / 1,208,224.20-1,812,278.70-409,427.40

Finding the Fourth Proportional to 1,208,224.20, 1,812,278.70 and 409,427.40

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Solution

The fourth proportional to 1,208,224.20, 1,812,278.70 and 409,427.40 is: 614,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,224.20 : 1,812,278.70 = 409,427.40 : x
  2. Step 2: Convert to fraction form
    1,208,224.20/1,812,278.70 = 409,427.40/x
  3. Step 3: Cross multiply
    1,208,224.20x = 1,812,278.70 × 409,427.40
  4. Step 4: Simplify right side
    1,208,224.20x = 741,996,556,216.38
  5. Step 5: Solve for x
    x = 741,996,556,216.38/1,208,224.20
  6. Step 6: Final answer
    x = 614,121.58

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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.